Guy 27

1977
Designer
Guy-Christer Lönngren
Builders
?
Associations
?
# Built
?
Hull Type
Fin w/spade rudder
Construction
FG

Dimensions

Length Overall
27 1 / 8.3 m
Waterline Length
20 11 / 6.4 m
Beam
8 7 / 2.6 m
Draft
5 2 / 1.6 m
Displacement
4,410 lbs / 2,000 kg
Ballast
1,870 lbs / 850 kg

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
268 ft2 / 24.9 m2
Total Sail Area
268.5 ft2 / 24.9 m2
Mainsail
Sail Area
145.3 ft2 / 13.5 m2
P
29 6 / 9 m
E
9 10 / 3 m
Mast Height
?
Foresail
Sail Area
123.1 ft2 / 11.4 m2
I
28 10 / 8.8 m
J
8 6 / 2.6 m
Forestay Length
30 1 / 9.2 m

Auxilary Power

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

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
6.14 knots
Sail Area/Displacement
15.95
under powered
Ballast/Displacement
42.5
stiffer, more powerful
Displacement/Length
212.54
moderate
Comfort Ratio
16.8
lightweight racing boat
Capsize Screening
2.11
better suited for coastal cruising

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