Скачать или смотреть Hydrodynamics of the 32ft Bristol Channel Pilot Cutter designed Lyle Hess Built Andrei Rochian

Hydrodynamics of the American Classic: Lyle Hess Sailboat 32 ft Bristol Channel Pilot Cutter
Building & Wood Epoxy Cold Molded Architecture Andrei Rochian in Bucharest Romania
I built this Bristol Channel Pilot Cutter in cold-molded wood-epoxy method of construction, following the Gougeon Brothers book "Wooden Boat Building with West System Epoxy Resin."
Dimensions & Build
LOA (overall incl. bowsprit): 12.3 m
LOD: 10.3 m · LWL: 8.9 m
Beam: 3.3 m · Draft: 1.6 m
Hull height (depth): 2.74 m
Displacement: 6.6–7.5 t (depending on source)
Ballast (lead): ~2.6 t
Construction: 10 species of carefully selected timber, cold-molded hull 30 mm thick, epoxy bonded, bronze fastened
Interior: mahogany & teak, enclosed shower/WC, double forward cabin, nav station, teak sole, pressure water, 199 L icebox, black-water tank
Rig & Sails
Cutter rig with 2 m bowsprit
Mast height: 14.7 m · Boom: 5.9 m
Mainsail: 47.6 m² · Jib: 42.0 m²
Total sail area: 89.6 m²
Performance & Ratios
Hull speed: ~7.25 kn
SA/D: 24–26 (spirited bluewater cruiser)
Ballast ratio: 35–40 %
D/L ratio: 260–295 (traditional heavy displacement)
Capsize Screening Factor: ~1.7–1.8 (safe offshore)
Comfort Ratio: 31–35 (good seakindliness)
Block coefficient (Cb): 0.15–0.17 (fine hull form)

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