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  • Sailboat Guide

Focus 800 is a 26 ′ 2 ″ / 8 m monohull sailboat designed by Jerzy Piesniewski and built by Sobusiak Yacht Yard starting in 2010.

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)

Inside ballast: 300 kg Daggerboard:300kg Mainsail area:22 m² Genoa area:12 m²

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Price (max)

Hull Material

Length (min)

Length (max)

focus 800 for sale

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Sobusiak Yacht Yard Focus 800 (2018) For sale

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Sobusiak focus 800.

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IMAGES

  1. Focus 800 boat for sale, Open sailing boat, £ 40.021 (€ 45.000)

    focus 800 sailboat for sale

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    focus 800 sailboat for sale

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    focus 800 sailboat for sale

  4. Focus 800 for sale. View price, photos and Buy Focus 800 #258511

    focus 800 sailboat for sale

  5. Cruising-racing sailboat

    focus 800 sailboat for sale

  6. Focus 800 boat for sale, Open sailing boat, £ 40.021 (€ 45.000)

    focus 800 sailboat for sale

VIDEO

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  5. ⛵️$800 MISTAKE?! Breaking & Fixing our OLD Hallberg Rassy 352 Sailboat

  6. Focus 750 mast lowering system

COMMENTS

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  3. Focus 800

    Focus 800 is a 26′ 2″ / 8 m monohull sailboat designed by Jerzy Piesniewski and built by Sobusiak Yacht Yard starting in 2010. ... The higher a boat's D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. ... For Sale View More . Have a sailboat to sell? List it for free and it will show up here.

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  6. FOCUS 800

    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.

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    Search focus 800 prices - more than 78 listings - WELCOME TO BLACK LABEL MARINE GROUP!....We are one of the LARGEST New and Pre-Owned Boat dealers in the Southeast and proudly represent SEA FOX, CAYMAS, CROWNLINE, and FINSEEKER.__We have EXTENSIVE in... - Waa2. Search. You must enter at least 3 characters.

  11. FOCUS 800 for sale

    The Focus 800 is a fun 8-meter cruiser; designed by Jerzy Pieśniewski to be fast, comfortable and safe. Sharp bow and high waterline length allow excellent upwind speeds, as well as hull lines in the forward part optimized for downwind gaits. The generous interior spaces allow you to use it for comfortable cruises as well Hull reinforcements Cat. B and double lamination in the; engine area ...

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    Jeanneau Sun Odyssey 350. 2024. Request Price. Successor to the Sun Odyssey 349, a tremendous success, this efficient, easy-to-handle cruising sailboat features clever innovations for the comfort of all on board and for the pleasure of sailing. The Sun Odyssey 350 features a distinctive, contemporary silhouette.

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    Focus boats for sale 20 Boats Available. Currency $ - USD - US Dollar Sort Sort Order List View Gallery View Submit. Advertisement. Available Soon. Save This Boat. Focus Power 44 . Gdynia, Poland. 2024. $716,772 Seller Focus Yachts 22. Contact +48 41 361 33 13. ×. Save This Boat. Focus Forza 37 . Wanssum, Netherlands ...

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    Key features Focus 800: length 8 meters. Hull key features Focus 800: hull material - fiberglass. Bukh Diesel DV 10 engine: fuel type - diesel. With a fuel tank capacity of 25 liters, the Focus 800 can cover a distance . The optimal number of people on board the Focus 800 is 4. Focus 800 refers to classes: sailboats. To clarify the price € ...

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    Sailing boats Focus 800 for sale. View a wide selection of sailing boats Focus 800 for sale in your area, explore boats details information, compare prices and find sailing boats Focus 800 best deals. 2002 Focus 800 for sale Focus. Sneek Friesland, Kingdom of the Netherlands. 2002. 8 m. Used. €34,500.