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FIREFLY built by Fairey Marine (UK) and designed by Uffa Fox. Her first hull was built in 1946 with an overall lengh of 3.66 m or 12.00 ft long

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FIREFLY Sailboat Specifications​


Overall Length (LOA) m / ft3.66 m / 12.00 ft
Builder(s)Fairey Marine Ltd
Designer(s)Uffa Fox
CountryUnited Kingdom
Hull TypeCenterboard Dinghy
First Hull Built1946
Rigging TypeFractional Sloop


Overall Length (LOA) 3.66 m / 12.00 ft
Waterline Length (LWL)3.58 m / 11.75 ft
Beam (width)1.42 m / 4.67 ft
Draft1.30 m / 4.25 ft
Light Displacement (MLC) 118 kg / 260 lb
Maximum Displacement118 kg / 260 lb


Capsize Screening Formula (CSF)2.93
Comfort Ratio4.36
Displacement-Length Ratio (DLR)71.55
Sail Area to Displacement26.73

Above Deck

Reported Sail Area6.32 m² / 68.00 ft²
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