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Raider 33
Designer: John Cherubini  ·  Builder: Raider Yachts Inc. (Usa)  ·  First built: 1977
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About the Raider 33

Designed by John Cherubini and built by Raider Yachts from 1977 to 1983, this 33-footer represents a thoughtful approach to coastal cruising and club racing. With only 29 hulls produced during its six-year production run, the Raider 33 remains a relatively rare find on the used boat market. The design strikes a balance between performance and comfort, featuring a fin keel with rudder on skeg configuration that provides good directional stability while maintaining reasonable maneuverability. The masthead sloop rig with 553 square feet of sail area delivers respectable performance for both casual sailing and weekend racing scenarios. Her 6-foot draft allows access to most harbors while providing adequate stability for coastal passages. At 10,400 pounds displacement with 4,100 pounds of ballast, the Raider 33 offers solid feel in a seaway without being overly heavy for her size. The fiberglass construction has proven durable over the decades, and the moderate comfort ratio suggests she's well-suited for extended coastal cruising with good motion characteristics. The capsize screening value indicates appropriate stability for near-coastal and protected offshore sailing, making her an attractive option for sailors seeking a capable weekender or small family cruiser with decent sailing qualities.

Core Dimensions
LOA (Length Overall) 33.00 ft / 10.06 m
LWL (Waterline Length) 27.00 ft / 8.23 m
Beam 10.58 ft / 3.22 m
Max Draft 6.00 ft / 1.83 m
Displacement 10,400.00 lb / 4,717 kg
Ballast 4,100.00 lb / 1,860 kg
Sail Area (Reported) 553.00 ft² / 51.38 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer John Cherubini
Builder Raider Yachts Inc. (USA)
First Built 1977
Last Built 1983
Number Built 29
Owner Reviews

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Performance Ratios
PHRF Rating PHRF (Performance Handicap Racing Fleet) is a national racing handicap measured in seconds per nautical mile. Lower values indicate faster boats. Ratings are sourced from US Sailing's national database (median across 60+ regional fleets).
Under 0 — Ultralight racer0–90 — Performance racer90–150 — Cruiser/racer150–210 — Typical cruiserOver 210 — Heavy/slow cruiser
 149
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
 18.63
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
 39.42
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
 235.88
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
 24.11
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
 1.94
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. 6.96 kn
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
 2.29
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. 1,020.69 pounds/inch
SA/Displacement (Calc) Calculated Sail Area to Displacement ratio using actual measured sail dimensions rather than reported values. More precise than the reported SA/Disp figure. 16.76
Rig Dimensions
I (Foretriangle Height) 42.50 ft / 12.95 m
J (Foretriangle Base) 14.00 ft / 4.27 m
P (Mainsail Luff) 37.18 ft / 11.33 m
E (Mainsail Foot) 10.75 ft / 3.28 m
SA Fore 297.50 ft² / 27.64 m²
SA Main 199.84 ft² / 18.57 m²
SA Total (100%) 497.34 ft² / 46.20 m²
Est. Forestay Length 44.75 ft / 13.64 m
Engine & Accommodations
Fuel Capacity 12 gals / 45 L
Water Capacity 30 gals / 114 L
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