Timpenny 670

1976
Designer
Colin Thorne
Builder
Timpenny Yachts (AU)
Association
Timpenny Trailerable Yachts
# Built
?
Hull Type
Swing Keel
Construction
FG

Dimensions

Length Overall
21 8 / 6.6 m
Waterline Length
20 2 / 6.2 m
Beam
7 3 / 2.2 m
Draft
0 9 / 0.3 m 3 10 / 1.2 m
Displacement
1,900 lbs / 860 kg
Ballast
490 lbs / 220 kg

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
211 ft2 / 19.6 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
6.02 knots
Sail Area/Displacement
22.04
high performance
Ballast/Displacement
25.58
less stiff, less powerful
Displacement/Length
103.0
light
Comfort Ratio
10.08
lightweight racing boat
Capsize Screening
2.34
better suited for coastal cruising

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