Seller's Description
LIONS DEN - this Seawind 850XL, with full professional refit, is now ready for a new owner to enjoy with recent major upgrades totaling well over $20,000 making this boat a joy to sail. These safety upgrades will give you peace of mind as well as enhancing the sailing aspects of the boat - not to mention making it a really good looking boat on the water. The current owner likes this boat so much he has just ordered a new Seawind. He says he has really enjoyed taking the boat up the coast and using it in the harbour with family and friends. He has been really impressed with its sailing characteristics and how it can sometimes give the bigger Seawinds a run for their money. He will give you, the new owner, a very comprehensive handover. This boat had a professional refit in 2017 including new fiberglass water tanks, extending the sterns similar to Seawind 1000XL, carbon vinyl wrap, custom stainless Targa bar including new gas BBQ with seating similar to 1000, new trampolines, new fridge and interior update plus all hatches and vents replaced. The standing rigging was replaced in 2019. In 2020 the boat had the mast and boom serviced, repainted with new lines and halyards. The forward beam and chainplates were also replaced so that boat is now in excellent structural condition ready for any voyage. A comprehensive Raymarine instrument package with wind indication, depth and speed log is fitted integrated with an Axiom MFD. Just look at the photos and imagine you and your friends enjoying the coastal lifestyle.
Specs
- Designer
- Scott Jutson
- Builder
- Seawind Catamarans
- Associations
- ?
- # Built
- 25
- Hull
- Catamaran
- Keel
- Twin
- Rudder
- ?
- Construction
- Foam sand./Vinylester
Dimensions
- Length Overall
- 27′ 7″ / 8.4 m
- Waterline Length
- 25′ 5″ / 7.8 m
- Beam
- 18′ 7″ / 5.7 m
- Draft
- 2′ 9″ / 0.8 m
- Displacement
- 4,800 lb / 2,177 kg
- Ballast
- ?
Rig and Sails
- Type
- Sloop
- Reported Sail Area
- 350′² / 32.5 m²
- Total Sail Area
- ?
Mainsail
- Sail Area
- ?
- P
- ?
- E
- ?
- Air Draft
- ?
Foresail
- Sail Area
- ?
- I
- ?
- J
- ?
- Forestay Length
- ?
Auxilary Power
- Make
- ?
- Model
- ?
- HP
- 10
- Fuel Type
- ?
- Fuel Capacity
- 10 gal / 38 l
- Engine Hours
- ?
Accomodations
- Water Capacity
- 26 gal / 98 l
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- ?
Calculations
- Hull Speed
-
9.2 kn
Classic: 6.77 kn
Hull Speed
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.
Formula
Classic hull speed formula:
Hull Speed = 1.34 x √LWL
A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL
- Sail Area/Displacement
-
19.7
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.
Formula
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
- ?
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.
Formula
Ballast / Displacement * 100
- Displacement/Length
-
129.3
100-200: light
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.
Formula
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
- D: Displacement of the boat in pounds.
- LWL: Waterline length in feet
- Comfort Ratio
-
5.7
<20: lightweight racing boat
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.
Formula
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)
- D: Displacement of the boat in pounds
- LWL: Waterline length in feet
- LOA: Length overall in feet
- Beam: Width of boat at the widest point in feet
- Capsize Screening
-
4.4
>2.0: better suited for coastal cruising
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.
Formula
CSV = Beam ÷ ³√(D / 64)
- Beam: Width of boat at the widest point in feet
- D: Displacement of the boat in pounds
This listing is presented by MultihullCentral.com. Visit their website for more information or to contact the seller.
