alden 45 sailboat

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• Sailboat Guide

Alden 45 is a 44 ′ 9 ″ / 13.7 m monohull sailboat designed by Niels Helleberg and built by Alden Yachts between 1992 and 1997.

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)

Alden design #1215. Same as the ALDEN 43 but with ‘traditional’ stern/counter. Shoal draft version: 5.75’.

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Review of Alden 45

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 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 Alden 45 has been built with different keel alternatives.

One option is a fin keel. The fin keel is the most common keel and provides splendid manoeuvrability. The downside is that it has less directional stability than a long keel.

The boat can only enter major marinas as the draft is about 2.26 - 2.36 meter (7.41 - 7.71 ft) dependent on the load. See immersion rate below.

Another option is a fin keel.

Alden 45 can enter most marinas as the draft is just about 1.72 - 1.82 meter (5.64 - 5.94 ft) dependent on the load. See immersion rate below.

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 Alden 45 is 1.75, 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 7.9 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 Alden 45 is about 267 kg/cm, alternatively 1495 lbs/inch. Meaning: if you load 267 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 1495 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 Displacement Length Ratio?

SA/D (Sail Area Displacement ratio) Indicates how fast the boat is in light wind: - Cruising Boats have ratios 10-15 - Cruiser-Racers have ratios 16-20 - Racers have ratios above 20 - High-Performance Racers have ratios above 24 Sail-area/displacement ratio (SA/D ratio): 18.10

Maintenance

When buying anti-fouling bottom paint, it's nice to know how much to buy. The surface of the wet bottom is about 48m 2 (516 ft 2 ). Based on this, your favourite maritime shop can tell you the quantity you need.

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.

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 Alden 45 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.

The Alden 45 is a 44.83ft masthead sloop designed by Niels Helleberg and built in fiberglass by Alden Yachts (USA) between 1992 and 1997.

The Alden 45 is a moderate weight sailboat which is a good performer. It is very stable / stiff and has an excellent righting capability if capsized. It is best suited as a bluewater cruising boat. The fuel capacity is average.

Alden 45 for sale elsewhere on the web:

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Alden Yachts For Sale

The Alden Yachts design firm was founded in 1909 by naval architect, John C. Alden, in Boston, Massachusetts at an exciting time when America was developing the transportation industry and infrastructure for trains, planes, automobiles, and more. The Industrial Age brought new wealth and leisure time for recreation and travel.

Learn More About Alden And Find Your Next Boat

Yacht Clubs in coastal towns held regattas, racing associations held offshore races, and racing yachts were developed, with winning yacht designers receiving yacht commissions and established business success. Fame and success came to Alden’s design firm after his Bermuda Race victories with his Malabar series of sailing yachts in 1923, 1926, and 1932, and continued long after his retirement to Florida in 1955. John Alden continued his love of sailing into his 70s on his Alden Sakomet One sailboat.

List Of Alden Yachts On The Brokerage Market

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Designer Niels Helleberg, who emigrated to Boston from his native Finland in 1971, spent virtually his entire distinguished career that spanned four decades, as Chief Architect with John G. Alden Naval Architects Inc. When the Design firm was closed in 2008 after nearly 100 years in business, Niels Helleberg continued to work with the parent holding company that had bequeathed the Alden Design Collection to Massachusetts Institute of Technology (MIT) Museum’s “Hart Nautical Collection,” directing the project.

Niels Helleberg who was committed to the preservation of John G Alden’s designs and legacy, was also instrumental in creating the “last schooner” John Alden drew in 1927, but never built, in the authentic style and philosophy of extreme simplicity as notated by the late designer. The “Wolfhound” project to build the 1927 design that began in 2012, was also a final schooner for Niels Helleberg who passed away in 2014. His superb design work and contributions to naval architecture, including many innovations and patents, are also preserved in the Alden archive at MIT.

Another notable designer with John G Alden Naval Architects Inc, was designer Bill Cook, responsible for the Alden 55 Center Cockpit in 2008, the final Alden Yacht. He is also credited with the Alden 72, Alden 54, Alden 52, Alden 50, Alden 46, Alden 45, and Alden 44 that are more modern cruising sailboats. Alden Yachts was initially known for the fast, seaworthy offshore schooners that brought attention to the firm, and then expanded to a wide range of exceptional sailing yachts, with a sprinkling of motor yachts in the portfolio. Most of the Alden powerboats were built during the 1950s decade. The Classic Alden Yachts available on the preowned yacht market are sought after for their seaworthy performance, and seakindly, bluewater capabilities.

Currently there are 24 preowned Alden sailing yachts and boats available on the USA yacht MLS, ranging in year from vintage 1912 to 1994. From vintage years 1907 to 1949, a 1912 25ft Alden Corinthian One-Design is listed at about $29,000 ranging in price to a 1938 62ft Alden Motor Sailer at about $2.6 million. From Classic years 1950 to 1979, a 1974 Alden Dolphin 47 is listed at about $76,000 ranging in price to a 1969 4ft Alden Caravelle Yawl at about $249,000. From 1980 to 2008, a 1980 19ft Alden Biddeford Pool One Design is listed at about $10,000 ranging in price to a 1984 Alden Palmer Johnson 78 at about $695,000.

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Speak to A United Sales Professional About Alden Yachts

Posted 2024-08-31 14:46

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Alden 45 Sailboat (Falmouth Foreside, Maine)

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posted: 2024-08-31 14:46

updated: 2024-09-10 04:53

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Alden 45 Sailboat - boats - by owner - marine sale - craigslist

The Alden 45 design - 5 built in the 1990s - refined the classic lines of Alden sailboats and introduced modern keel and hull refinements. 'Affinity' sails flat and fast. Unique features include a...

Beam:  14'    Draft:  6'     Beam:  11'4'    Draft:  5'3'     Beam:  12.5'    Draft:  4.11'     Beam:  12.5'    Draft:  4'     Beam:  12.6'    Draft:  4.11'     Beam:  12.5'    Draft:  5.5'     Beam:  12'6'    Draft:  5'9'     Beam:  12'5'    Draft:  7'0'     Beam:  11'    Draft:  4'     Beam:  10'    Draft:  5.5'     Beam:  11'    Draft:  5.5'     Beam:  10.5'    Draft:  4'     Beam:  9.5'    Draft:  5.5'     Beam:  8'6'    Draft:  6''     Beam:  7.5'    Draft:  4.75'     Beam:  7.5'    Draft:  4.75' © 2001-2024 ./)   . . ./)   . . 234 IMAGES Alden 45 1993 Alden 45 Aft Cockpit Sail New and Used Boats for Sale LARK (Alden 45) in Edgartown Harbor : r/sailing Alen 45: Prices, Specs, Reviews and Sales Information Alen 45- the ultimate day boat Used Custom/Other john g. alden 45 sailboat VIDEO SPOTTED! Maine Mendoza, may INAMIN! Alden Richards, PATAGONG SINORPRESA si MENGGAY? ALDUB UPDATE NOW We’re a Sailboat Again! Moving our new lead keel & cleaning the boat [2.16] Ocean Alexander Divergence 45 Coupe 2022 Yacht A 450-MILE SAILING JOURNEY "KILLING ELEPHANTS "Minecraft Oasis Ep 37 COMMENTS ALDEN 45 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. Alden 45 Modern Classic 1996 Alden 45 - Location: Falmouth Foreside, ME Notes: Affinity is number 7 of the 8 Alden 43/45 design built by Alden from 1992 to 1998.The 45s are outstandingly beautiful boats. She sails fast and flat with a modern bulb-keel underbody and composite structure imitated by later revisions of upmarket production and custom designs.Affinity's unique features include new 2024 GMT carbon-fiber ... Alden boats for sale View a wide selection of Alden boats for sale in your area, explore detailed information & find your next boat on boats.com. #everythingboats. Explore. Back. Explore View All. Overnight Cruising ... Perry Design Review: Alden 43/45. More Alden Reviews Alden By Model. Alden 44 4 Listings. Alden 309 1 Listing. Alden 44,6 KETCH 1 Listing. Alden 46 ... Alden 45 Alden 45 is a 44′ 9″ / 13.7 m monohull sailboat designed by Niels Helleberg and built by Alden Yachts between 1992 and 1997. ... 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 pounds. LWL ... Alden 43/45: Wolves in Sheep's Clothing The Alden 43/45 redefines the phrase "wolf in sheep's clothing". While the only external difference between the two boats is the traditional transom on the 45 and the retrousse stern on the 43, Alden executives suspect that most racers will pick the smaller boat although either can be equipped for either race course or offshore cruising. Review of Alden 45 The Alden 45 is a large sailboat designed by the American maritime architect John Gale Alden together with Niels C. Helleberg also from United States of America in the early nineties. The Alden 45 is built by the American yard Alden Yachts Inc. . Here we would have liked to show you nice photos of the Alden 45. Used Alden 45' For Sale In Maine Share This Yacht. Specifications Details. RENNAISSANCE is relatively new (1997) construction of a classic John Alden designed Off-Soundings yawl with the hull being built by Paul Rollins and finished off by Steve Latici (owner) to very high standards. United Yacht Sales is pleased to assist you in the purchase of this vessel. Perry Design Review: Alden 43/45 The Alden 43/45 series. With a waterline of 34 feet 6 inches, this design falls into a very easily sailed size range. This waterline coupled with 23,000 pounds gives the volume required for a comfortable layout for two couples with the speed and stability for some ambitious cruises. Look at layout options. Alden 45 The Alden 45 is a 44.83ft masthead sloop designed by Niels Helleberg and built in fiberglass by Alden Yachts (USA) between 1992 and 1997. The Alden 45 is a moderate weight sailboat which is a good performer. It is very stable / stiff and has an excellent righting capability if capsized. It is best suited as a bluewater cruising boat. John G. Alden John G. Alden opened his design officed in 1909. By 1932, he was known worldwide in part due to his "Malabar" design's success on the offshore racing scene between 1923 and 1932. John Alden is best known for his fast and seaworthy offshore boats but he designed a broad range of exceptional boats and most of his designs have become true classics. Others who had their start with the firm ... Alden Yachts (USA) Alden Yachts (USA) No longer in business. Years in Business: 0 - present. Sailboats Built By Alden Yachts (USA) (Dates indicate when boat was first built by any builder) Sort by: 9 Sailboats / Per Page: 50 / Page: 1. MODEL. Alden Yachts For Sale He is also credited with the Alden 72, Alden 54, Alden 52, Alden 50, Alden 46, Alden 45, and Alden 44 that are more modern cruising sailboats. Alden Yachts was initially known for the fast, seaworthy offshore schooners that brought attention to the firm, and then expanded to a wide range of exceptional sailing yachts, with a sprinkling of motor ... alden sailboats for sale by owner. alden preowned sailboats for sale by owner. alden used sailboats for sale by owner. Home. Register & Post. View All Sailboats. Search. Avoid Fraud. ... 46' Morgan 45 Davis Islands Yacht Club, Florida Asking $22,500. 30' Morgan 30 West Islip, New York Asking $5,000. 13' Laser dinghy Wilmington, Delaware Asking $4,000. Alden Yachts for Sale Founder: John G. Alden. Size: 19 to 64 feet. Type: Cruising and racing sailboats and sailing yachts. Models: Alden 44, Alden 45, Alden 46, Alden 50, Alden 52, Alden 54, Alden 55, Alden 72. Scroll below to search our yachts for sale database to find all sailing yachts, cruising and racing sailboat listings of Alden Yachts now! Alden 45 Aft Cockpit boats for sale 2007 Grand Soleil 45. Find 13 Alden 45 Aft Cockpit boats for sale near you, including boat prices, photos, and more. Locate Alden boat dealers and find your boat at Boat Trader! Alden 45 Sailboat The Alden 45 design - 5 built in the 1990s - refined the classic lines of Alden sailboats and introduced modern keel and hull refinements. 'Affinity' sails flat and fast. Unique features include a new 2024 GMT carbon fiber spar, new Navtec rod rigging, and a 2024 GMT update to her Leisure Furl in-boom furling system. Westerbeke 63 Diesel. Alden 45 for sale Boats for sale; Alden; Alden 45; Alden 45 for sale; Alden 45 for sale. Alden 45 for sale. View the broad range of Alden 45 for sale in your area on offer in your area, review the detailed information about each vessel, compare prices, and uncover the best Alden 45 deals. 1995 Alden 45 for sale Alden. Cushing Maine, United States of America. Preowned sailboats for sale over 45 feet 33' Morgan Out Island St Petersburg, FloridaAsking $20,000. 45' Lagoon 450F San Carlos Sonora MexicoAsking $549,000. 39' Beneteau Oceanis 38.1 Portsmouth, Rhode IslandAsking $256,000. 25' Catalina 25' Rocky Fork Lake East Shore Marina, OhioAsking $7,500. 24' Pacific Seacraft Dana 24 Erie, PennsylvaniaAsking $45,000. Buy 1995 Alden 45 1995 Alden 45 for sale. Used 1995 Alden 45 for sale is located in Cushing (Maine, United States of America).This vessel was designed and built by the Alden shipyard in 1995. Key features 1995 Alden 45: length 13.72 meters, beam 3.81 meters, boat displacement 10,433 kilograms and max boat draft 1.75 meters. Alden sailboats for sale by owner. Alden preowned sailboats for sale by owner. Alden used sailboats for sale by owner. Home. Register & Post. View All Sailboats. Search. Avoid Fraud. ... 46' Morgan 45 Davis Islands Yacht Club, Florida Asking $22,500. 30' Morgan 30 West Islip, New York Asking $5,000. 28' Morgan Out Island 28 Palmetto, Florida catamaran gulet motorboat powerboat riverboat sailboat trimaran yacht