Defender 15

1969 — 1972
Designers
Andre Mauric
Jacques Gaubert
Builder
Dekker & Sons (Jachtwerf F. Dekker en Zonen)
Association
Quarter Ton Class
# Built
?
Hull
Monohull
Keel
Fin
Rudder
Skeg
Construction
FG

Dimensions

Length Overall
26 2 / 8 m
Waterline Length
18 11 / 5.8 m
Beam
8 2 / 2.5 m
Draft
4 2 / 1.3 m
Displacement
4,400 lb / 1,996 kg
Ballast
1,900 lb / 862 kg

Rig and Sails

Type
Sloop
Reported Sail Area
240′² / 22.3 m²
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Mast Height
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

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

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
5.84 knots
Sail Area/Displacement
14.3
under powered
Ballast/Displacement
43.18
stiffer, more powerful
Displacement/Length
286.38
heavy
Comfort Ratio
19.19
lightweight racing boat
Capsize Screening
2.01
better suited for coastal cruising

Notes

IOR 1/4 ton.
With more freeboard and a new deck/coachroof, it became the DEFENDER 27.

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