Northern 25

1970
insignia
Designer
Philip Rhodes
Builder
Northern Yachts Ltd.
Associations
?
# Built
?
Hull Type
Fin with rudder on skeg
Construction
FG

Dimensions

Length Overall
25 3 / 7.7 m
Waterline Length
19 3 / 5.9 m
Beam
8 2 / 2.5 m
Draft
4 0 / 1.2 m
Displacement
5,100 lbs / 2,313 kg
Ballast
2,300 lbs / 1,043 kg (Lead)
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
304 ft2 / 28.2 m2
Total Sail Area
304 ft2 / 28.2 m2
Mainsail
Sail Area
142.5 ft2 / 13.2 m2
P
28 6 / 8.7 m
E
10 0 / 3.1 m
Mast Height
?
Foresail
Sail Area
161.5 ft2 / 15 m2
I
32 3 / 9.9 m
J
10 0 / 3.1 m
Forestay Length
33 9 / 10.3 m

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
5.88 knots
Sail Area/Displacement
16.42
good performance
Ballast/Displacement
45.1
stiffer, more powerful
Displacement/Length
319.18
heavy
Comfort Ratio
22.67
coastal cruiser
Capsize Screening
1.9
better suited for ocean passages

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