505

1954
insignia

Dimensions

Length Overall
16 6 / 5 m
Waterline Length
14 11 / 4.6 m
Beam
6 2 / 1.9 m
Draft
0 5 / 0.2 m 4 7 / 1.4 m
Displacement
280 lbs / 127 kg
Ballast
?
drawing

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
175 ft2 / 16.3 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
5.19 knots
Sail Area/Displacement
65.42
high performance
Ballast/Displacement
?
Displacement/Length
37.04
Ultralight
Comfort Ratio
2.46
lightweight racing boat
Capsize Screening
3.78
better suited for coastal cruising

Notes

Developed from the CORONET, the 505 soon became an international gold standard for high performance dinghys.
The class rules have allowed experimentation in both rigging and construction techniques so that, as can be seen, many well known builders have, at one time or another, been involved in the building of 505s.
The list of present and former builders shown is far from complete. The latest Information about current builders etc. can be found on the excellent class web site.


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