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  • Challenger 35

The Challenger 35 Sailboat Specs & Key Performance Indicators

The  Challenger 35, an ultra-heavy displacement aft-cockpit cruising boat,  was designed by Angus Primrose and built in the UK by Trident Marine.

'Sheba', a Challenger 35 cruising sailboat moored on the River Tamar in the UK

Published Specification for the Challenger 35

Underwater Profile:  Long keel

Hull Material:  GRP (Fibreglass)

Length Overall:  35'0"  ( 10.7m)

Waterline Length:  26'1"  ( 8.0m)

Beam:  10'6"  ( 3.2m)

Draft:  5'0"  ( 1.5m)

Rig Type:  Masthead sloop

Displacement:  14,950lb (6,781kg)

Ballast:  5,100lb (2,313kg)

Designer:  Angus Primrose

Builder:  Trident Marine (UK)

Year First Built:  1975

Published Design Ratios for the Challenger 35

1. Sail Area/Displacement Ratio:  11.5

2. Ballast/Displacement Ratio:  34.1

3. Displacement/Length Ratio:  376

4. Comfort Ratio:  35.1

5. Capsize Screening Formula:   1.7

read more about these Key Performance Indicators...

Summary Analysis of the Design Ratios for the Challenger 35

eBook: How to Avoid Buying the Wrong Sailboat

1. A Sail Area/Displacement Ratio of just 11.5 suggests that the Challenger 35 will need a stiff breeze to get her going. In light conditions, unless you've got plenty of time on your hands, motor-sailing may be the way to go.

2. A Ballast/Displacement Ratio of 34.1 means that a long-keel sailboat like the Challenger 35, is likely to benefit from being reefed early to keep her sailing upright in a moderate breeze.

3. A Displacement/Length Ratio of 376, tells us the Challenger 35 is firmly in the ultra-heavy displacement category. Load her up as much as you like and her performance will be hardly affected, not that it was ever startling. Few if any sailboats are built to this displacement category these days - but they remain popular with some long-distance sailors.

4. Ted Brewer's Comfort Ratio of 35.1 suggests that crew comfort of a Challenger 35 in a seaway is similar to what you would associate with the motion of a moderate bluewater cruising boat - a predictable and acceptable motion for most seasoned sailors.

5. The Capsize Screening Formula (CSF) of 1.7 indicates that a Challenger 35 would be a safer choice of sailboat for an ocean passage than one with a CSF of more than 2.0. 

Cruisers' Questions about this Sailboat...

What is the difference between the Challenger 35 and the Warrior 35?

The Challenger 35 and the Warrior 35 are two of the three 35-foot designs by Angus Primrose for Trident Marine. They share the same hull moulding, but have different deck mouldings and interiors.

The main difference between them is that the Challenger 35 is an aft-cockpit cruiser, while the Warrior 35 is a centre-cockpit cruiser. This affects the layout and the appearance of the boats.

The Challenger 35 has a spacious and bright interior with a good galley and heads amidships. It has seven berths, but the quarter double is more a large single and the saloon is really only for two people. It has a very traditional angular coachroof and a large cockpit with a tiller steering.

The Warrior 35 has a more compact interior with a smaller galley and heads forward. It has six berths, including an aft cabin with a double berth accessible from the cockpit. It has a very distinctive rounded coachroof and a smaller cockpit with a wheel steering. It also has more headroom and storage space than the Challenger 35.

Both boats have a long keel, a masthead sloop rig, and a modest sail area. They are both heavy displacement cruisers that excel in heavy weather and provide predictable, undemanding, but also unexciting, sailing in less demanding conditions. They are both popular with long-distance sailors who value comfort and safety over speed and performance.

What is the third 35-foot design by Angus Primrose for Trident Marine?

The third 35-foot design by Angus Primrose for Trident Marine is the Voyager 35. It is a pilothouse version of the same hull as the Challenger 35 and the Warrior 35.

The Voyager 35 has a large deck saloon with panoramic windows and a steering station. It has a forward cabin with a V-berth, a quarter berth aft, and two settee berths in the saloon. It has a galley and a heads compartment amidships. It has a masthead sloop rig and a long keel.

The Voyager 35 is a rare and sought-after model that offers good visibility, comfort, and protection from the elements. It is suitable for coastal or offshore cruising.

What does a secondhand Voyager 35 sell for?

The price range of the Voyager 35 sailboat depends on the condition, age, equipment, and location of the boat. However, based on some online listings, it seems that the average price is between £25,000 to £45,000.

Of course, this is only a rough estimate and the actual price may vary depending on the market demand, the seller's expectations, and the buyer's negotiation skills. It is always advisable to inspect the boat carefully and compare it with similar models before making an offer.

How many people can sleep on board a Voyager 35?

According to the information I found on the web, a Voyager 35 sailboat can sleep up to six people on board. It has a forward cabin with a V-berth, a quarter berth aft, and two settee berths in the saloon.

However, some owners may have modified the interior layout or added extra berths to suit their preferences. Therefore, the actual number of berths may vary depending on the specific boat.

The above answers were drafted by sailboat-cruising.com using GPT-4 (OpenAI’s large-scale language-generation model) as a research assistant to develop source material; to the best of our knowledge,  we believe them to be accurate.

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Challenger 35



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challenger 35 sailboat data

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Review of Challenger 35 (Primrose)

Basic specs..

The hull is made of fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season.

The boat is equipped with 132.0 liter fresh water capacity.

The boat equipped with a masthead rig. The advantage of a masthead rig is its simplicity and the fact that a given sail area - compared with a fractional rig - can be carried lower and thus with less heeling moment.

The Challenger 35 (Primrose) is equipped with a long keel. A full keel provide a better directional stability than a similar boat with a fin keel; on the other hand, better directional stability means also that the boat is more difficult to handle in a harbour with less space.

The keel is made of iron. Many people prefer lead keel in favour of iron. The main argument is that lead is much heavier than iron and a lead keel can therefore be made smaller which again result in less wet surface, i.e. less drag. In fact iron is quite heavy, just 30% less heavy than lead, so the advantage of a lead keel is often overstated.

The boat can enter most marinas as the draft is just about 1.52 - 1.62 meter (4.99 - 5.29 ft) dependent on the load. See immersion rate below.

Challenger 35 (Primrose) is typically equipped with an inboard Volvo Penta 2003 diesel engine at 45 hp (33 kW). Calculated max speed is about 6.6 knots

The fuel tank has a capacity of 95.0 liters (25 US gallons, 20 imperial gallons).

Sailing characteristics

This section covers widely used rules of thumb to describe the sailing characteristics. Please note that even though the calculations are correct, the interpretation of the results might not be valid for extreme boats.

What is Capsize Screening Formula (CSF)?

The capsize screening value for Challenger 35 (Primrose) is 1.70, indicating that this boat could - if evaluated by this formula alone - be accepted to participate in ocean races.

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 6.8 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed.

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Challenger 35 (Primrose) is about 170 kg/cm, alternatively 954 lbs/inch. Meaning: if you load 170 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 954 lbs cargo on the boat it will sink 1 inch.

Sailing statistics

This section is statistical comparison with similar boats of the same category. The basis of the following statistical computations is our unique database with more than 26,000 different boat types and 350,000 data points.

What is Motion Comfort Ratio (MCR)?

What is L/B (Length Beam Ratio)?

What is a Ballast Ratio?

What is Displacement Length Ratio?

What is SA/D (Sail Area Displacement ratio)?

Maintenance

When buying anti-fouling bottom paint, it's nice to know how much to buy. The surface of the wet bottom is about 19m 2 (204 ft 2 ). Based on this, your favourite maritime shop can tell you the quantity you need.

Are your sails worn out? You might find your next sail here: Sails for Sale

If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful.

UsageLengthDiameter
Mainsail halyard 27.6 m(90.6 feet)12 mm(1/2 inch)
Jib/genoa halyard27.6 m(90.6 feet)12 mm(1/2 inch)
Spinnaker halyard27.6 m(90.6 feet)12 mm(1/2 inch)
Jib sheet 10.7 m(35.0 feet)14 mm(0.55 inch)
Genoa sheet10.7 m(35.0 feet)14 mm(0.55 inch)
Mainsheet 26.7 m(87.5 feet)14 mm(0.55 inch)
Spinnaker sheet23.5 m(77.0 feet)14 mm(0.55 inch)
Cunningham4.7 m(15.5 feet)12 mm(1/2 inch)
Kickingstrap9.4 m(31.0 feet)12 mm(1/2 inch)
Clew-outhaul9.4 m(31.0 feet)12 mm(1/2 inch)

This section is reserved boat owner's modifications, improvements, etc. Here you might find (or contribute with) inspiration for your boat.

Do you have changes/improvements you would like to share? Upload a photo and describe what you have done.

We are always looking for new photos. If you can contribute with photos for Challenger 35 (Primrose) it would be a great help.

If you have any comments to the review, improvement suggestions, or the like, feel free to contact us . Criticism helps us to improve.

Challenger 35 primrose

The challenger 35 primrose is a 35.0ft masthead sloop designed by angus primrose and built in fiberglass by trident marine ltd. (uk) since 1975..

The Challenger 35 primrose is a heavy sailboat which is under powered. It is reasonably stable / stiff and has an excellent righting capability if capsized. It is best suited as a bluewater cruising boat. The fuel capacity is originally small. There is a very short water supply range.

Challenger 35 primrose sailboat under sail

Challenger 35 primrose for sale elsewhere on the web:

challenger 35 sailboat data

Main features

Model Challenger 35 primrose
Length 35 ft
Beam 10.50 ft
Draft 5 ft
Country United Kingdom (Europe)
Estimated price $ 0 ??

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challenger 35 sailboat data

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Sail area / displ. 11.51
Ballast / displ. 34.11 %
Displ. / length 376.24
Comfort ratio 35.06
Capsize 1.71
Hull type Monohull long keel
Construction Fiberglass
Waterline length 26.08 ft
Maximum draft 5 ft
Displacement 14950 lbs
Ballast 5100 lbs
Hull speed 6.84 knots

challenger 35 sailboat data

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Rigging Masthead Sloop
Sail area (100%) 435 sq.ft
Air draft 0 ft ??
Sail area fore 253.50 sq.ft
Sail area main 267.38 sq.ft
I 39 ft
J 13 ft
P 34.50 ft
E 15.50 ft
Nb engines 1
Total power 45 HP
Fuel capacity 25 gals

Accommodations

Water capacity 35 gals
Headroom 0 ft
Nb of cabins 0
Nb of berths 0
Nb heads 0

Builder data

Builder Trident Marine Ltd. (UK)
Designer Angus Primrose
First built 1975
Last built 0 ??
Number built 0 ??

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challenger 35 sailboat data

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  • Sailboat Guide

Challenger 35 (Primrose)

Challenger 35 (Primrose) is a 35 ′ 0 ″ / 10.7 m monohull sailboat designed by Angus Primrose and built by Trident Marine Ltd. starting in 1975.

Drawing of Challenger 35 (Primrose)

Rig and Sails

Auxilary power, accomodations, calculations.

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

SA/D = SA ÷ (D ÷ 64) 2/3

  • SA : Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
  • D : Displacement in pounds.

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Ballast / Displacement * 100

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

  • D: Displacement of the boat in pounds.
  • LWL: Waterline length in feet

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam 1.33 )

  • D: Displacement of the boat in pounds
  • LOA: Length overall in feet
  • Beam: Width of boat at the widest point in feet

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

CSV = Beam ÷ ³√(D / 64)

Trident Marine produced three variations of the same Angus Primrose designed 35 foot hull, the WARRIOR (centre cockpit), CHALLENGER (aft cockpit) and VOYAGER (pilothouse) versions.

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Challenger 35 (Primrose) - Sailboat Data, Parts & Rigging

Challenger 35 Primrose - Mainsail Covers

Sailboat data, rig dimensions and recommended sail areas for Challenger 35 (Primrose) sailboat. Tech info about rigging, halyards, sheets, mainsail covers and more.

Sailboat Data directory for over 8,000 sailboat designs and manufacturers. Direct access to halyards lengths, recommended sail areas, mainsail cover styles, standing rigging fittings, and lots more for all cruising and racing sailboats.

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Details and photographs are normally based on one specific yacht, but could be a compilation. No reliance should be placed on other yachts of the same class being identical.  Where common variations exist, we have endeavoured to indicate this in these archive details. 
 
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Heads

Forecabin berths are each 6' 3" long on the vee, the two saloon settees make two more 6' 3" berths with a trotter box forward on the starboard side. The quarter berth is either a very large single, or a small double, at 6' 3" long by 3' 8" at the forward end. Saloon headroom varies between 5' 10" and 6' 1"

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CHALLENGER 35 (USA)

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Challenger 35

  • July 9, 2009

Like her smaller and older sister, the aft-cockpit Challenger 35 offers a lot of space for the money. She was drawn by Angus Primrose and Bill Dixon in the early 1980s. There was an earlier, centre-cockpit type called the Warrior 35, as well as the Voyager 35, a later wheelhouse version. Some 300 35s were built, many of which went for export. Construction and finish were simple but the open, bright interior has its appeal. She has a good galley and spacious heads amidships. Nominally she has seven berths, but the quarter double is more a large single and the saloon is really only for two people. Warriors and Challengers excel in heavy weather and in less demanding conditions their long keel and modest rig provide predictable, undemanding, but also unexciting, sailing.

LOA 10.70m (35ft), LWL 8m (26ft 3in), beam 3.2m (10ft 6in), draught 1.52m (5ft), displacement 5,600kg (12,320lb). Price guide: £25,000 to £45,000.

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Challenger 35 ketch

challenger 35 sailboat data

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Does anyone out there own a Challenger 35'' ketch? and if so have you sailed off shore? I am interested in your experiences cos I am going off shore in the next 24 months and would like to know what to expect. Thank you [email protected]  

challenger 35 sailboat data

If you are talking about an Alden Challenger, I believe they were sloops and yawls. Jeff  

No. Challenger was the name of the manufacturer, built in Long Beach CA, but thanks for replying anyway.  

challenger 35 sailboat data

This Tread Is 6 Yrs Old  

Boy, this thread is old isn't it! I posted the original question, never did get to sail offshore, went back to Europe for a spell, am now back in CA and have another Challenger, a 32' this time. Love the boats. I'd be happy to help in any way I can mabell. All the best  

As another "interested" sailor - yes - what is she like in a bluewater environment - my buddy wants to take his from the Ches to Bahamas on the outside - comments anyone ?  

Challenger owner We just purchased a 1973 Challenger 40 here in Panama and would love to hear from others who are familiar with these vessels.We have some mast step issues and could use some experienced advice.Thanks!  

Here is a site (the only one I know of about Challengers) that may be of use to you www.namotu.net/ . I don't have blue water experience of the boats, but understand they are more than capable in that environment. I'll be pulling my mast in a few months to refurbish it, I'll know more about the step then. In the meantime all I can offer is that you examine the collar the mast sits in to get an idea of what may be required. There is a great article on exactly this subject on Sailnet that should be of assistance to you. All the best  

bsfree said: Does anyone out there own a Challenger 35'' ketch? and if so have you sailed off shore? I am interested in your experiences cos I am going off shore in the next 24 months and would like to know what to expect. Thank you [email protected] Click to expand...
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challenger 35 sailboat data

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Trident Marine UK Trident Challenger 35 Boat for Sale

  • accommodation:
  • construction:
  • navigation aids:
  • Manufacturer: Trident Marine UK
  • Location: Plymouth
  • LOA: 35'0" (10.67m)
  • Beam: 10' 9'' (3.28m)
  • Draft: 1.52
  • Keel: Long keel
  • ID no.: 1010988
  • Heating: Taylors
  • Watertank Size: 20 Gallons
  • Engine Make: Yanmar 3GM
  • Horsepower: 27hp
  • Drive Type: Shaft drive
  • Fuel Type: Diesel
  • Fuel Tank Size: 225 Litres
  • Cruise Speed: 5.5 knots
  • Top Speed: 6.5 knots

Broker Remarks

This Trident Challenger 35 built by Trident Marine and designed by Angus Primrose, is a superb example of this heavy layup classic. The hull and deck have been recently professionally refurbished including a hull respray on the top sides with two part paint above waterline, she gleams! In 2006 below the waterline the hull was scraped back to the GRP and given 6 coats of Gel shield. She was fitted out privately by her first owner who had a yard in Port Isaac, her current owner has had 'Sheba' for ten years and has maintained her excellently. This Trident Challenger 35 for sale with Network Yacht Brokers Plymouth should be viewed to appreciate the quality!

Accommodation

Sleeps six in two cabins Double V berth with infill in the forepeak Two single berths, port and starboard in the saloon Double aft quarter berth Galley: Pacific cooker Stainless Steel Galley sink Large box refrigerator Heads: Large heads with single stainless steel hand basin Jabsco Sea toilet

Mechanical and Rigging

Built in 1989 by Trident Marine UK Designed by Angus Primrose GRP hull, deck and superstructure Long keel with spade hung rudder Wheel steering Mechanics: Yanmar 3GM, 27hp, 3 Cylinder diesel engine Shaft driven to a, three blade fixed pitch propeller 100 hours per year since 2003  Less than 2L/Hr fuel consumption   Engine Oil changed every 100 Hours and every winter Oil filter, primary and secondary diesel filters changed at the same time New impeller and engine anodes changed every winter   good access to engine for servicing     Electrics: Two x 110ah  auxilliary batteries Single 90ah engine start battery Sterling Power Products battery charger and charging from engine alternator (new 2010) 240V shorepower   Rigging: Stainless steel standing rigging Seldon retracting bowsprit for cruising chute Slab reefing at mast Lazy jacks Furlex Clutches on Main and Genoa to allow Two ENKES18 2 speed mast winches to be used for storm jib and cruising chute One extra ENKES10 1 speed winch on mast for reefing  Two foresail Barient 2 speed self-tailing winches Standing rigging 8 years old Running rigging 2-10 years old (All replaced as and when necessary) Removable inner forestay added 2005 for Storm Jib in shroud position when not in use         Lucas Main sail and Genoa in good condition (Serviced every winter by Westaway) Crusader Cruising Chute 2009 very good condition Jeckell Storm Jib 2005 Very good condition    

Furuno GP-31 GPS Raymarine RL70C pathfinder plus chartplotter Raymarine Radar VHF radio Clipper depth Stowe log Stowe wind Echopilot forward faceing echosounder     Echo max 300 Radar Reflector   Ground Tackle:    25lb CQR Anchor 25lb CKR Anchor spare 60m Chain 60m Warp (separate from chain) Manual windlass Safety equipment:      XM 6 person Liferaft Dan buoy Two x fire extinguishers   Whale manual bilge pumps  Equipment: Sprayhood New in 2011 Dodgers new in 2008 Cockpit table and cushions  Four x Warps Honda 2.8m Dinghy Honda 2.3hp Outbard Boarding ladder Legs

Contact NYB Plymouth

  • Address: Network Yacht Brokers Plymouth Mayflower Marina Ocean Quay Richmond Walk Plymouth PL1 4LS
  • Telephone: (+44) 01752 605 377 (+44) 01752 605 377 -->
  • Fax: (+44) 01752 605 377
  • Email: [email protected]
  • Link to full office details

Disclaimer : Network Yacht Brokers (Southwest) Ltd t/a Network Yacht Brokers Plymouth offers the details of this vessel for sale but cannot guarantee or warrant the accuracy of the information contained in the specification or warrant the condition of the vessel or equipment. A buyer should instruct his agents, or surveyors, to investigate such details as the buyer desires validated. This vessel is offered for sale subject to no prior sale, price change, or withdrawal without notice.

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Trident Marine UK Challenger 35

Trident Marine UK Challenger 35 for sale in Chatham United Kingdom

Chatham United Kingdom

Make & Model

Trident Marine UK Challenger 35

MEASUREMENTS

Description.

This  Trident Challenger 35  designed by Angus Primrose is an excellent blue water cruising yacht a well-maintained yacht offering 6 berths in 2 cabins. Powered by a Beta Marine engine 2013, with updated electronics. Viewing highly recommended. A 2019:survey report is available upon request. 

Navigational Equipment

·        Compass

·        Depth

·        VHF fixed radio

·        Windspeed direction – Raymarine new 2022

·        Speed/log

·        GPS/Chartplotter – Raymarine Axiom 2022  Linked via NMEA2000

·        AIS – Class B 2022 Digital Yacht

·        AIS Transponder – Class B Digital Yacht

·        Autopilot – Raymarine

·        Navtex

·        Electronic charts – Navionics

·        Paper charts

·        Deck level nav lights

·        Masthead nav light

·        Clock & barometer

Deck Equipment

·        Main anchor - CQR 25kg with 60m chain

·        Anchor windlass – electric

·        Lifeline gates

·        Mainsail cover

·        Sprayhood

·        Cockpit dodgers - named

·        Binnacle cover

·        Bathing platform

·        Boarding ladder

·        Fenders

·        Mooring warps (new)

·        Dinghy – Seago available by separate negotiation

Safety Equipment

·        3 x Fire extinguishers

·        Engine room extinguisher

·        Fire blanket

·        Gas alarm

·        2 x Jackstays

·        2 x Cockpit harness points

·        Horseshoe lifebuoys

·        Danbuoy

·        MOB sling

·        Life raft – 4 person Plastimo, last serviced 2022

·        EPIRB New 2022 Ocean Signal

·        Emergency tiller

·        Manual bilge pump

·        First aid kit

·        Radar reflector

History & Construction

This Trident Challenger 35 has had 3 previous owners, 3 years with its current owner. Designed by Angus Primrose and built in 1980 by Trident Marine. The hull and deck colour are white GRP construction, as is the superstructure. The encapsulated keel is a traditional long and the rudder is keel hung. New engine fitted in 2013 and last serviced in 2022, by the owner. Last ashore where its anodes were changed and antifouled in 2020. Last surveyed in 2019.

Mechanical System

The Trident 35 is powered by a Beta Marine 35HP engine from 2013 and only run for 590 hours. 4-cylinder diesel cooled indirectly, shaft driven with rope cutter and a 3-blade fixed folding propellor Wheel steering and also features a Vetus bow thruster and 100L fuel capacity in a single stainless-steel tank. The Trident 35 has a cruising speed of 6kn and a max speed of 8kn. Access to the engine is centre, under the saloon steps. The engine was last serviced by the owner in 2022. Last out of the water maintenance in 2020.

Electrical Systems

Fitted with 4 x 12v batteries, 1 domestic, 1 engine start from 2021, 1 anchor winch and 1 for the Vetus bow thruster, all charged via the alternator. The Trident’s 240-volt systems are shore power connection, ring mains and battery charger and inverter. Batteries are located under the chart table.

Sails & Spars

The Trident 35 is sloop rigged with an alloy mast and boom. The boom was replaced in 2002.  Deck step and stainless-steel standing rigging which was replaced in 2006. Manual backstay adjuster and running rigging replaced in 2020. Features slab mainsail reefing with lazy jacks and furling headsail.

·        2 x Sheet winches – Lewmar

·        2 x Halyard – Lewmar

·        Mainsail – Dolphin Dacron in good condition

·        Genoa – Dolphin in good condition with new UV strip, last valeted in 2020

Engine Count

Engine Horse Power

ADDITIONAL INFORMATION

Hull Material

ABOUT TRIDENT MARINE UK CHALLENGER 35

The Trident Marine UK Challenger 35 is 35 feet long and has a 10 feet beam. This 1980 diesel Trident Marine UK Challenger 35 with 35 horsepower. The Trident Marine UK Challenger 35 is made of grp.

SIMILAR LOCATIONS

  • Trident in United Kingdom
  • Boats in United Kingdom

HMS Challenger and the History of Science at Sea

Sailing ships were once used as scientific instruments themselves, but in the 1800s, ships like the Challenger were transformed into floating laboratories.

Three men on deck of the H.M.S. Challenger studying Medusae jellyfish

In the 1870s, a group of scientists embarked on HMS Challenger for a four-year mission. They circumnavigated the globe, collecting data and dredging up strange creatures. The expedition is frequently cited as the beginning of modern oceanography. According to historian Antony Adler, Challenger also teaches us something important about how scientific vessels changed over time .

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Ships like Challenger tend to put diverse groups of people into close proximity for extended periods. Adler explains that when British and French scientists took to the seas in the eighteenth and nineteenth century, they began to transform ships to suit their purposes. As the ships transformed, so did the relationships between the scientists and the rest of the crew .

Adler builds on the work of Richard Sorrenson, who argued that ships themselves became scientific instruments in the Age of Exploration. As crews charted their position over time, they revealed coastal outlines. British and French expeditions mainly prioritized “mapping and territorial expansion,” writes Adler, and the ships were primarily Navy vessels. In one instance, they even used the timing of gunfire between ships to measure distances.

Scientists themselves had very little influence. They were given small spaces, and they sometimes came into conflict with their captains about the use of space on the ship.

“Modifications, or resistance to modification,” writes Adler, “reveal the relative status of a ship’s users insofar as design for one usage took precedence over other possibilities.” Over time, scientists gained status on some missions. By Challenger , they were running the show.

Royal Navy captain George Nares and scientist Charles Wyville Thomson led the mission. Nares and Thomson modified the navy ship heavily, removing guns and adding new spaces dedicated to science. They were creating a laboratory at sea.

In the eighteenth century, Adler explains, “the term ‘laboratory’ was gaining general currency.” These were controlled spaces, both in terms of scientific practices and social access. Onboard Challenger , these spaces allowed the “scientifics” to bring these practices directly into the field.

They had to account for space limitations, a rocking ship, and variable environmental conditions. They used clamps to fix microscopes and other instruments to tables. Open flames, kept level with a clever gimbaled platform, heated chemical sand-baths. Scientists dissected animals and chemically analyzed water samples in their tiny labs. There was a danger that the rest of the crew would feel disconnected from this work.

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Nares and Thomson realized this and took steps to counteract the insular nature of the lab work. Thomson gave lectures to the crew, and they all ate together. An “etiquette of mutual acknowledgement” developed, Adler explains — a significant change from the social dynamics in previous eras.

To Adler, Challenger was one step in a gradual evolution from “ship as instrument” to “ship as laboratory.” But in recent years, some research vessels have become platforms for the collection of data through remote sensing . In Adler’s view, many ships today are now “invisible technicians,” which brings its own changes to shipboard culture and scientific practices.

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challenger 35 sailboat data

Published on September 17th, 2024 | by Editor

America’s Cup: Challenger series update

Published on September 17th, 2024 by Editor -->

by Craig Leweck, Scuttlebutt Sailing News The Louis Vuitton Cup will select the challenger to face the defender in the 37th America’s Cup, and each of the four remaining teams has two goals during the series: improve and advance.

When the British team earned the right to select their semi-final opponent, they decided that advancing was more important, and selected the Swiss team which had been most vulnerable in the qualifying round robin stage. But would the Brits be pushed hard enough to improve?

The British had little trouble beating the Swiss on Day One and Day Two , scoring four wins in the best of 9 semi-final match. Needing one more win, the light winds of Barcelona returned for Day Three , and when the Brits fell off the foils in the only race of the day, the Swiss scored a win to stay alive.

In the other semi final match, the racing was closer between Italy and USA, but in the four races held on Day One and Day Two , the Italians found a way to win when USA couldn’t. However, similar to the Brits on Day Three , Italy made a mess of the only race to give USA their first win.

challenger 35 sailboat data

With all four teams getting a day off before the series resumes on September 18, can the teams sitting at 1-4 win four straight races to advance? The Swiss have appeared out of their element too often, and the USA admits their AC75 has handling problems. Can it all be fixed in a day? Standing by.

challenger 35 sailboat data

Viewing details – Race information – Results – Weather forecast

Following the publication of the AC37 Protocol and AC75 Class Rule on November 17, 2021 , the AC75 Class Rule and AC Technical Regulations were finalized on March 17, 2022 . The entry period was from December 1, 2021 until July 31, 2022, but late entries for the 37th America’s Cup could be accepted until May 31, 2023. The Defender was to announce the Match Venue on September 17, 2021 but postponed the reveal, finally confirming Barcelona on March 30, 2022 . The 37th America’s Cup begins October 12, 2024.

Teams revealed to challenge defender Emirates Team New Zealand (NZL): • INEOS Britannia (GBR) • Alinghi Red Bull Racing (SUI) • Luna Rossa Prada Pirelli Team (ITA) • NYYC American Magic (USA) • Orient Express Racing Team (FRA)

2023-24 Preliminary Regattas September 14-17, 2023 (AC40): Vilanova i la Geltrú, Spain November 30-December 2 (AC40): Jeddah, Saudi Arabia August 22-25, 2024 (AC75): Barcelona, Spain

2024 Louis Vuitton Cup Challenger Selection Series* August 29-September 9: Double Round Robin September 14-19: Semi Finals (Best of 9) September 26-October 7: Finals (Best of 13)

*Team New Zealand competes in the round robin stage only, but the results of their races were not included in the challenger leaderboard.

2024 America’s Cup October 12-27: 37th Match (Best of 13)

For competition details, click here .

Additionally, 12 teams will compete in the 2024 Youth & Women’s America’s Cup .

Noticeboard: https://ac37noticeboard.acofficials.org/ Event details: www.americascup.com/en/home

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Tags: America's Cup , Craig Leweck , LVC37

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LVC37: Fast start for GBR, Italy →

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challenger 35 sailboat data

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America’s cup: challenger series update.

' src=

by Craig Leweck, Scuttlebutt Sailing News The Louis Vuitton Cup will select the challenger to face the defender in the 37th America’s Cup, and each of the four remaining teams has two goals during the series: improve and advance.

When the British team earned the right to select their semi-final opponent, they decided that advancing was more important, and selected the Swiss team which had been most vulnerable in the qualifying round robin stage. But would the Brits be pushed hard enough to improve?

The British had little trouble beating the Swiss on Day One and Day Two , scoring four wins in the best of 9 semi-final match. Needing one more win, the light winds of Barcelona returned for Day Three , and when the Brits fell off the foils in the only race of the day, the Swiss scored a win to stay alive.

In the other semi final match, the racing was closer between Italy and USA, but in the four races held on Day One and Day Two , the Italians found a way to win when USA couldn’t. However, similar to the Brits on Day Three , Italy made a mess of the only race to give USA their first win.

With all four teams getting a day off before the series resumes on September 18, can the teams sitting at 1-4 win four straight races to advance? The Swiss have appeared out of their element too often, and the USA admits their AC75 has handling problems. Can it all be fixed in a day? Standing by.

challenger 35 sailboat data

Viewing details – Race information – Results – Weather forecast

Following the publication of the AC37 Protocol and AC75 Class Rule on November 17, 2021 , the AC75 Class Rule and AC Technical Regulations were finalized on March 17, 2022 . The entry period was from December 1, 2021 until July 31, 2022, but late entries for the 37th America’s Cup could be accepted until May 31, 2023. The Defender was to announce the Match Venue on September 17, 2021 but postponed the reveal, finally confirming Barcelona on March 30, 2022 . The 37th America’s Cup begins October 12, 2024.

Teams revealed to challenge defender Emirates Team New Zealand (NZL): • INEOS Britannia (GBR) • Alinghi Red Bull Racing (SUI) • Luna Rossa Prada Pirelli Team (ITA) • NYYC American Magic (USA) • Orient Express Racing Team (FRA)

2023-24 Preliminary Regattas September 14-17, 2023 (AC40): Vilanova i la Geltrú, Spain November 30-December 2 (AC40): Jeddah, Saudi Arabia August 22-25, 2024 (AC75): Barcelona, Spain

2024 Louis Vuitton Cup Challenger Selection Series* August 29-September 9: Double Round Robin September 14-19: Semi Finals (Best of 9) September 26-October 7: Finals (Best of 13)

*Team New Zealand competes in the round robin stage only, but the results of their races were not included in the challenger leaderboard.

2024 America’s Cup October 12-27: 37th Match (Best of 13)

For competition details, click here .

Additionally, 12 teams will compete in the 2024 Youth & Women’s America’s Cup .

Noticeboard: https://ac37noticeboard.acofficials.org/ Event details: www.americascup.com/en/home

Read more on Scuttlebutt

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  1. Challenger 35 usa

    challenger 35 sailboat data

  2. CHALLENGER 35 (PRIMROSE)

    challenger 35 sailboat data

  3. CHALLENGER 35 (PRIMROSE)

    challenger 35 sailboat data

  4. SailboatData.com

    challenger 35 sailboat data

  5. Challenger 35 archive details

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  6. The Challenger 35 Sailboat

    challenger 35 sailboat data

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  2. Maidentrip ~ Documentary Trailer

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  5. Amazing boat fits in a box

  6. Island Packet 35 Blue Water Cruiser 1990

COMMENTS

  1. CHALLENGER 35 (PRIMROSE)

    CHALLENGER 35 (PRIMROSE) Save to Favorites . Beta Marine. BOTH. US IMPERIAL. METRIC. Sailboat Specifications Definitions Hull Type: Long Keel: Rigging Type: Masthead Sloop: LOA: 35.00 ft / 10.67 m ... Kelsall Sailing Performance (KSP): Another measure of relative speed potential of a boat. It takes into consideration "reported" sail area ...

  2. Challenger Yachts Corp.

    Founded by Howard D. Stern (1929-2005). Challenger Yachts was located at Wilmington CA. It was known for its high standards of construction and was said to be the first builder in the industry to offer an unconditional hull guarantee. Years in Business: 1969 - 1980. Sailboats Built By Challenger Yachts Corp. (Dates indicate when boat was first ...

  3. The Challenger 35 Sailboat

    The Challenger 35 and the Warrior 35 are two of the three 35-foot designs by Angus Primrose for Trident Marine. They share the same hull moulding, but have different deck mouldings and interiors. The main difference between them is that the Challenger 35 is an aft-cockpit cruiser, while the Warrior 35 is a centre-cockpit cruiser.

  4. Challenger 35 usa

    The Challenger 35 usa is a 35.67ft masthead sloop built in fiberglass by Challenger Yachts Corp. since 1968. The Challenger 35 usa is a moderate weight sailboat which is slightly under powered. It is reasonably stable / stiff and has a good righting capability if capsized. It is best suited as a coastal cruiser. The fuel capacity is originally ...

  5. 1976 Challenger 35 sailboat for sale in California

    California. $37,500. Description: 35' Challenger Ketch 1976. A total blue water cruiser. Modified full keel. This is a sailors boat thats family ready. Everything is here Everything in great working condition!!! great example of workmanship and performance, an all around good and well looked after boat.

  6. Challenger 35 (Usa)

    A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize. Formula. 30.43.

  7. Review of Challenger 35

    The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Challenger 35 is about 170 kg/cm, alternatively 954 lbs/inch. Meaning: if you load 170 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 954 lbs cargo on the boat it will sink 1 inch.

  8. Challenger 35 primrose

    The Challenger 35 primrose is a 35.0ft masthead sloop designed by Angus Primrose and built in fiberglass by Trident Marine Ltd. (UK) since 1975. The Challenger 35 primrose is a heavy sailboat which is under powered. It is reasonably stable / stiff and has an excellent righting capability if capsized.

  9. Challenger 35 (Primrose)

    Challenger 35 (Primrose) is a 35′ 0″ / 10.7 m monohull sailboat designed by Angus Primrose and built by Trident Marine Ltd. starting in 1975. ... The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more. Formula. D/L = (D ÷ 2240) ÷ (0.01 x LWL)³ D: Displacement of the boat in ...

  10. Challenger 35 (Primrose)

    Sailboat data, rig dimensions and recommended sail areas for Challenger 35 (Primrose) sailboat. Tech info about rigging, halyards, sheets, mainsail covers and more.

  11. Challenger 35

    The Challenger 35 is one of three 35 foot designs by Angus Primrose for Trident Marine. The three designs share the same hull moulding, but have different deck mouldings and interiors. The Challenger 35 is a very traditional aft cockpit cruiser, the Warrior 35 has a centre cockpit layout, whilst the Voyager 35 has a large deck saloon.

  12. CHALLENGER 35 (USA)

    Blue Water Surf Value Rank (BWSVR) 2988. Capsize Comfort Value Rank (CCVR)

  13. Challenger 35

    Yachting Monthly. July 9, 2009. 0 shares. Challenger 35. Like her smaller and older sister, the aft-cockpit Challenger 35 offers a lot of space for the money. She was drawn by Angus Primrose and Bill Dixon in the early 1980s. There was an earlier, centre-cockpit type called the Warrior 35, as well as the Voyager 35, a later wheelhouse version.

  14. Challenger 35 question. Also posted on the say hello section

    Come join the discussion about sailing, modifications, classifieds, troubleshooting, repairs, reviews, maintenance, and more! Challenger 35 question. Also posted on the say hello section. About to begin a complete refit of our 1975 clallenger 35, built by the challenger yacht Corp in wilmington CA. Brought her about 2 years ago.

  15. Challenger 35 ketch

    I just posted on Facebook a bit, about my 1976, "new" Challenger, 35' Ketch, which I owned, loved, trusted completely, and lived aboard from April 1, 1977, to November 1, every year until I sold her in 1994. At some point, I made the acquaintance of another New Challenger Ketch owner that was and did go ocean sailing.

  16. Trident Marine UK Trident Challenger 35 Boat for Sale

    Built in 1989 by Trident Marine UK. Designed by Angus Primrose. GRP hull, deck and superstructure. Long keel with spade hung rudder. Wheel steering. Mechanics: Yanmar 3GM, 27hp, 3 Cylinder diesel engine. Shaft driven to a, three blade fixed pitch propeller. 100 hours per year since 2003.

  17. CHALLENGER 35 (USA)

    Challenger Yachts Corp. was located at Wilmington CA, USA and ceased operations in 1980. Not to be confused with Challenger Yachts Ltd, which was a Canadian firm. A later boat, the TALISMAN 37, (builder unknown) seems to be based on this same design. (bowsprit added).

  18. Trident Marine UK Challenger 35 for sale

    This Trident 35 offers 6 berths in 2 cabins with 6,2ft of headroom. The forward berth is a double V with good storage underneath and access to forward deck hatch. The Trident Challenger has a shower with teak grating over the shower pump and a freshwater capacity of 300L which is manually pressurised. A marine head that has a 30L holding tank ...

  19. SailboatData.com

    SailboatData.com …is a database that contains information on over 9000 production and semi-production sailboats dating back to the late 1800's. COMPARE BOATS To compare up to three boats at one time, click the (+) Remove a compared boat by clicking (-)

  20. HMS Challenger and the History of Science at Sea

    To Adler, Challenger was one step in a gradual evolution from "ship as instrument" to "ship as laboratory." But in recent years, some research vessels have become platforms for the collection of data through remote sensing. In Adler's view, many ships today are now "invisible technicians," which brings its own changes to shipboard ...

  21. America's Cup: Challenger series update >> Scuttlebutt Sailing News

    by Craig Leweck, Scuttlebutt Sailing News The Louis Vuitton Cup will select the challenger to face the defender in the 37th America's Cup, and each of the four remaining teams has two goals ...

  22. America's Cup: Challenger series update

    2024 Louis Vuitton Cup Challenger Selection Series* August 29-September 9: Double Round Robin September 14-19: Semi Finals (Best of 9) September 26-October 7: Finals (Best of 13) *Team New Zealand competes in the round robin stage only, but the results of their races were not included in the challenger leaderboard. 2024 America's Cup

  23. CHALLENGER 24

    A boat with a BN of 1.6 or greater is a boat that will be reefed often in offshore cruising. Derek Harvey, "Multihulls for Cruising and Racing", International Marine, Camden, Maine, 1991, states that a BN of 1 is generally accepted as the dividing line between so-called slow and fast multihulls.