Norseman 447

1980 — 1986
Designer
Robert Perry
Builder
Ta Shing Yacht Building Ltd.
Associations
?
# Built
55
Hull Type
Fin with rudder on skeg
Construction
FG

Dimensions

Length Overall
44 7 / 13.6 m
Waterline Length
37 6 / 11.4 m
Beam
12 11 / 4 m
Draft
6 3 / 1.9 m
Displacement
28,000 lbs / 12,701 kg
Ballast
12,000 lbs / 5,443 kg (Lead)
drawing

Rig and Sails

Type
Cutter
Reported Sail Area
937 ft2 / 87.1 m2
Total Sail Area
937.2 ft2 / 87.1 m2
Mainsail
Sail Area
408 ft2 / 37.9 m2
P
50 11 / 15.5 m
E
16 0 / 4.9 m
Mast Height
?
Foresail
Sail Area
529.2 ft2 / 49.2 m2
I
56 0 / 17.1 m
J
18 10 / 5.8 m
Forestay Length
59 1 / 18 m

Auxilary Power

Make
?
Model
?
HP
61
Fuel Type
Diesel
Fuel Capacity
100 gal / 379 l

Accomodations

Water Capacity
120 gal / 454 l
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
8.21 knots
Sail Area/Displacement
16.26
good performance
Ballast/Displacement
42.86
stiffer, more powerful
Displacement/Length
237.04
moderate
Comfort Ratio
35.6
moderate bluewater cruising boat
Capsize Screening
1.71
better suited for ocean passages

Notes

An aft cockpit version was also available.


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