Timpenny 770

1978
Designer
Colin Thorne
Builder
Timpenny Yachts (AU)
Association
Timpenny Trailerable Yachts
# Built
35
Hull Type
Swing Keel
Construction
FG

Dimensions

Length Overall
25 3 / 7.7 m
Waterline Length
23 6 / 7.2 m
Beam
8 0 / 2.5 m
Draft
0 11 / 0.3 m 4 7 / 1.4 m
Displacement
3,420 lbs / 1,550 kg
Ballast
900 lbs / 410 kg
drawing

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
251 ft2 / 23.3 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
6.5 knots
Sail Area/Displacement
17.7
good performance
Ballast/Displacement
26.46
less stiff, less powerful
Displacement/Length
116.65
light
Comfort Ratio
13.57
lightweight racing boat
Capsize Screening
2.14
better suited for coastal cruising

Notes

Swing and drop keel versions.


For Sale

Have a sailboat to sell?
List it for free and it will show up here.

Subscribe

Get occassional updates about new features or featured sailboats.
You can opt out or contact us any time.