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Deb 33
Designer: Sparkman & Stephens  ·  Builder: Tyler Mouldings/Deacons Boatyard Ltd.  ·  First built: 1969
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About the Deb 33

With limited documentation available, the Deb 33 represents one of sailing's more elusive designs, making it a particularly intriguing find for boat researchers and potential buyers. This 33-foot sailboat appears to have had a relatively small production run, which often indicates either a specialized design purpose or limited market distribution during its era. Based on its length and typical design patterns of similar boats, the Deb 33 would likely serve well as a coastal cruiser, offering enough size for comfortable weekend trips and extended day sailing while remaining manageable for smaller crews. The boat's moderate size suggests it strikes a balance between performance and livability, making it suitable for sailors seeking a vessel that can handle both spirited sailing and relaxed cruising. The scarcity of readily available information about the Deb 33 means that prospective buyers should conduct thorough research and potentially connect with existing owners or sailing communities to learn more about the boat's construction quality, sailing characteristics, and any known maintenance considerations. This detective work often leads to discovering hidden gems in the used boat market.

Core Dimensions
LOA (Length Overall) 33.42 ft / 10.19 m
LWL (Waterline Length) 24.00 ft / 7.32 m
Beam 10.33 ft / 3.15 m
Max Draft 6.58 ft / 2.01 m
Min Draft 3.58 ft / 1.09 m
Displacement 12,500.00 lb / 5,670 kg
Ballast 5,200.00 lb / 2,359 kg
Sail Area (Reported) 490.00 ft² / 45.52 m²
Design & Construction
Hull Type Keel/Cbrd.
Rigging Type Masthead Sloop
Construction FG
Designer Sparkman & Stephens
Builder Tyler Mouldings/Deacons Boatyard Ltd.
First Built 1969
Owner Reviews

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Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
14.61
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
32.11
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
1.78
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 6.56
S# (Speed Number) The Speed Number (S#) is a quick performance index. Higher values indicate a faster, more powerful design relative to its size.
Under 3.0 — Slow cruiser3.0–5.0 — Average cruiser5.0–7.0 — Performance cruiserOver 7.0 — Racer
0.99
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 885.85
Rig Dimensions
I (Foretriangle Height) 40.0
J (Foretriangle Base) 13.5
P (Mainsail Luff) 34.5
E (Mainsail Foot) 12.75
SA Fore 270.0
SA Main 219.94
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