Firefly

1946
Designer
Uffa Fox
Builders
Rondar Raceboats
Fairey Marine Ltd
Whitecap Composites
Association
Firefly Dinghy
# Built
?
Hull Type
Centerboard Dinghy
Construction
Wood (hot molded)/FG

Dimensions

Length Overall
12 0 / 3.7 m
Waterline Length
11 8 / 3.6 m
Beam
4 7 / 1.4 m
Draft
0 9 / 0.3 m 4 3 / 1.3 m
Displacement
260 lbs / 118 kg
Ballast
?
drawing

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
68 ft2 / 6.3 m2
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Mast Height
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
4.59 knots
Sail Area/Displacement
26.71
high performance
Ballast/Displacement
?
Displacement/Length
71.55
Ultralight
Comfort Ratio
4.34
lightweight racing boat
Capsize Screening
2.93
better suited for coastal cruising

Notes

Originally called the SEA SWALLOW. The first sailboat built by Fairey Marine.
Although intended, and normally raced, as 2 man dinghy, the FIREFLY was selected as the single-handed class for the Olympic games of 1948. (Torbay UK, gold medal won by Paul Elvstrom).
FG construction permitted beginning in 1965.


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