National 10 (Turnabout)

1953
Designer
Harold R.Turner
Builder
JG Marine
Association
National 10 (Turnabout)
# Built
4200
Hull Type
Centerboard Dinghy
Construction
FG

Dimensions

Length Overall
9 8 / 3 m
Waterline Length
?
Beam
5 2 / 1.6 m
Draft
?
Displacement
260 lbs / 116 kg
Ballast
?

Rig and Sails

Type
Cat (Marconi)
Reported Sail Area
?
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
?

Calculations

Hull Speed
?
Sail Area/Displacement
?
Ballast/Displacement
?
Displacement/Length
?
Comfort Ratio
?
Capsize Screening
3.31
better suited for coastal cruising

Notes

Most recent known builder (2015):
JG Marine
67 Skilton La.
Burlington, MA USA

The NATIONAL 10 was originally known as the TURNABOUT CLASS, built in 1953 by Harold R.Turner as a small wooden single or double handed junior training dinghy. Many boats were completed by “do it yourselfers” from kits.
Fleets have been located primarily in New England and Northeastern regions of the U.S.
In 1972 the TURNABOUT CLASS formally changed it’s name to the “NATIONAL 10” class. It also decided to refine the class by approving a new mold, adhering to the original wooden design as much as possible. This was accomplished by J.R.Duplin Marine with some major improvements, including aluminum spars. The minimum class weight of 215 lbs was increased to 255 lbs. to keep both the older Parker River turnabout, the woodies, and the new Duplin National 10’s more competitive.


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