Niagara 31

1977
Designer
German Frers
Builder
Hinterhoeller Yachts Ltd.
Associations
?
# Built
100
Hull Type
Fin w/spade rudder
Construction
FG

Dimensions

Length Overall
31 3 / 9.5 m
Waterline Length
24 2 / 7.4 m
Beam
10 2 / 3.1 m
Draft
4 11 / 1.5 m
Displacement
8,000 lbs / 3,629 kg
Ballast
3,550 lbs / 1,610 kg
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
492 ft2 / 45.7 m2
Total Sail Area
491.6 ft2 / 45.7 m2
Mainsail
Sail Area
225 ft2 / 20.9 m2
P
35 11 / 11 m
E
12 6 / 3.8 m
Mast Height
?
Foresail
Sail Area
266.6 ft2 / 24.8 m2
I
43 0 / 13.1 m
J
12 4 / 3.8 m
Forestay Length
44 9 / 13.6 m

Auxilary Power

Make
Volvo
Model
?
HP
13
Fuel Type
Diesel
Fuel Capacity
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
6.6 knots
Sail Area/Displacement
19.68
good performance
Ballast/Displacement
44.38
stiffer, more powerful
Displacement/Length
250.44
moderate
Comfort Ratio
20.99
coastal cruiser
Capsize Screening
2.05
better suited for coastal cruising

Notes

Until hull number 50, Niagara 31s were powered by a 13-hp Volvo diesel saildrive unit. Later models were powered by a Westerbeke 22-hp v-drive.


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