Tanzer 31

1984
Designer
C&C Design
Builder
Tanzer Industries Ltd.
Associations
?
# Built
?
Hull Type
Fin w/spade rudder
Construction
FG

Dimensions

Length Overall
30 6 / 9.3 m
Waterline Length
25 0 / 7.6 m
Beam
10 5 / 3.2 m
Draft
5 2 / 1.6 m
Displacement
8,300 lbs / 3,765 kg
Ballast
3,400 lbs / 1,542 kg
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
468 ft2 / 43.5 m2
Total Sail Area
468 ft2 / 43.5 m2
Mainsail
Sail Area
222 ft2 / 20.6 m2
P
37 0 / 11.3 m
E
12 0 / 3.7 m
Mast Height
45 0 / 13.7 m
Foresail
Sail Area
246 ft2 / 22.9 m2
I
41 0 / 12.5 m
J
12 0 / 3.7 m
Forestay Length
42 8 / 13 m

Auxilary Power

Make
Yanmar
Model
?
HP
15
Fuel Type
Diesel
Fuel Capacity
44 gal / 167 l

Accomodations

Water Capacity
44 gal / 167 l
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
6.7 knots
Sail Area/Displacement
18.27
good performance
Ballast/Displacement
40.96
stiffer, more powerful
Displacement/Length
237.14
moderate
Comfort Ratio
20.84
coastal cruiser
Capsize Screening
2.07
better suited for coastal cruising

Notes

Shoal draft version: 4.0’/1.2m; Disp: 8700 lbs./3955 kg.


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