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Sailboat Guide

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Sailboat

S2 7.9

1981
Designer
Graham & Schlageter
Builder
S2 Yachts
Hull Type
Lifting Keel
Construction
FG
Associations
?

Dimensions

Length Overall
25 11 / 7.9 m
Waterline Length
21 8 / 6.6 m
Beam
8 11 / 2.7 m
Draft
1 1 / 0.3 m 4 11 / 1.5 m
Displacement
4,250 lbs / 1,928 kg
Ballast
1,680 lbs / 760 kg
drawing

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
325 ft2 / 30.2 m2
Total Sail Area
325.1 ft2 / 30.2 m2
Mainsail
Sail Area
180.2 ft2 / 16.7 m2
P
29 5 / 9 m
E
12 2 / 3.7 m
Mast Height
?
Foresail
Sail Area
144.9 ft2 / 13.5 m2
I
30 6 / 9.3 m
J
9 6 / 2.9 m
Est. Forestay Len.
31 11 / 9.7 m

Auxilary Power

Make
?
Model
?
HP
?
Type
?
Fuel Capacity
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
6.24 knots
Sail Area/Displacement
19.82
good performance
Ballast/Displacement
39.41
less stiff, less powerful
Displacement/Length
186.45
light
Comfort Ratio
15.23
lightweight racing boat
Capsize Screening
2.22
better suited for coastal cruising

Notes

A few (17) were delivered with a fixed keel and masthead rig. (See S2 7.9FK for specs.)
Inboard power available as an option… BMW 7.5 hp diesel.


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