PT-40 (Plas Trend 40)

1967 — 1968
Designer
Robert Derecktor
Builders
Plastrend / Composite Technologies
Robert E. Derecktor Inc.
Associations
?
# Built
3
Hull Type
Fin with rudder on skeg
Construction
FG

Dimensions

Length Overall
39 7 / 12.1 m
Waterline Length
31 0 / 9.5 m
Beam
10 11 / 3.4 m
Draft
6 2 / 1.9 m
Displacement
16,980 lbs / 7,704 kg
Ballast
? (Lead)
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
686 ft2 / 63.7 m2
Total Sail Area
684.9 ft2 / 63.6 m2
Mainsail
Sail Area
321.7 ft2 / 29.9 m2
P
39 0 / 11.9 m
E
16 6 / 5 m
Mast Height
?
Foresail
Sail Area
363.2 ft2 / 33.7 m2
I
45 4 / 13.8 m
J
16 0 / 4.9 m
Forestay Length
48 1 / 14.7 m

Auxilary Power

Make
Gray Marine
Model
491
HP
25
Fuel Type
Gas
Fuel Capacity
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
7.47 knots
Sail Area/Displacement
16.61
good performance
Ballast/Displacement
?
Displacement/Length
253.54
moderate
Comfort Ratio
31.79
moderate bluewater cruising boat
Capsize Screening
1.71
better suited for ocean passages

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