Hirondelle MKI

1968
Designer
Chris Hammond
Builder
Brian Carvill & Assoc. (UK)
Associations
?
# Built
?
Hull Type
Catamaran Twin Cbrd.
Construction
FG

Dimensions

Length Overall
22 8 / 6.9 m
Waterline Length
20 0 / 6.1 m
Beam
10 0 / 3.1 m
Draft
1 2 / 0.4 m 4 0 / 1.2 m
Displacement
2,300 lbs / 1,043 kg
Ballast
?
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
250 ft2 / 23.2 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
5.99 knots
Sail Area/Displacement
22.96
high performance
Ballast/Displacement
?
Displacement/Length
128.35
light
Comfort Ratio
7.9
lightweight racing boat
Capsize Screening
3.03
better suited for coastal cruising

Notes

The biggest difference between the Hirondelle Mk I and II was in the rig; being a little under a metre shorter.


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