Sailboat Specifications
DefinitionsHull Type: | Fin Keel |
Rigging Type: | Fractional Sloop |
LOA: | 20.00 ft / 6.10 m |
LWL: | 15.00 ft / 4.57 m |
S.A. (reported): | 142.00 ft² / 13.19 m² |
Beam: | 7.00 ft / 2.13 m |
Displacement: | 725.00 lb / 329 kg |
Ballast: | 372.00 lb / 169 kg |
Max Draft: | 2.50 ft / 0.76 m |
Construction: | FG or Wood |
First Built: | 1948 |
# Built: | 4000 |
Builder: | Various |
Designer: | Uffa Fox |
Sailboat Calculations
DefinitionsS.A. / Displ.: | 28.20 |
Bal. / Displ.: | 51.31 |
Disp: / Len: | 95.90 |
Comfort Ratio: | 5.08 |
Capsize Screening Formula: | 3.12 |
S#: | 6.04 |
Hull Speed: | 5.19 kn |
Pounds/Inch Immersion: | 375.18 pounds/inch |
Rig and Sail Particulars
HELPI: | 15.00 ft / 4.57 m |
J: | 5.50 ft / 1.68 m |
P: | 20.50 ft / 6.25 m |
E: | 9.80 ft / 2.99 m |
S.A. Fore: | 41.25 ft² / 3.83 m² |
S.A. Main: | 100.45 ft² / 9.33 m² |
S.A. Total (100% Fore + Main Triangles): | 141.70 ft² / 13.16 m² |
S.A./Displ. (calc.): | 28.14 |
Est. Forestay Length: | 15.98 ft / 4.87 m |
Sailboat Links
Designers: | Uffa Fox |
Builders: | Chippendale Boats (UK) |
Copland Boats (UK) | |
Fairey Marine Ltd | |
Halmatic Ltd. | |
Ovington Boats Ltd. | |
Rob Legg Yachts Ltd. | |
Stebbings & Sons (UK) | |
Windrush Yachts (AUS) | |
Associations: | Flying 15 Class |
Flying Fifteen Australia | |
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Notes
The Flying Fifteen has been modernized over the years with Uffa Fox agreeing to changes towards the end of his life to improve the design specification and sail plan.
Original hull tolerances were +/- 25mm (one inch) either side of the median plan lines.
In 1984 Flying Fifteen International reduced the hull tolerances to +/- 15mm and introduced measurement templates. In 1993 a further reduction to +/- 7mm was instituted with additional adjustments to the median plan lines equal to the current design.
Older boats known as Classics, generally those with sail numbers below 2700, are grandfathered in and race legal.
Fleets exist in Australia, Hong Kong, Ireland, New Zealand, South Africa as well as the British Isles.
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