S2 7.9 is a 25′ 11″ / 7.9 m monohull sailboat designed by Graham & Schlageter and built by S2 Yachts starting in 1981.
- Designer
- Graham & Schlageter
- Builder
- S2 Yachts
- Associations
- ?
- # Built
- 545
- Hull
- Monohull
- Keel
- Lifting
- Rudder
- ?
- Construction
- FG
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 lb / 1,928 kg
- Ballast
- 1,680 lb / 760 kg
Rig and Sails
- Type
- Sloop
- Reported Sail Area
- 325′² / 30.2 m²
- Total Sail Area
- 325′² / 30.2 m²
Mainsail
- Sail Area
- 180′² / 16.7 m²
- P
- 29′ 5″ / 9 m
- E
- 12′ 2″ / 3.7 m
- Mast Height
- ?
Foresail
- Sail Area
- 145′² / 13.5 m²
- I
- 30′ 6″ / 9.3 m
- J
- 9′ 6″ / 2.9 m
- Forestay Length
- 31′ 11″ / 9.7 m
Auxilary Power
- Make
- ?
- Model
- ?
- HP
- ?
- Fuel Type
- ?
- Fuel Capacity
- ?
Accomodations
- Water Capacity
- ?
- Holding Tank Capacity
- ?
- Headroom
- ?
- Cabins
- ?
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.
For Sale
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