Mobjack

1956 — 2003
insignia
Designer
Roger Moorman
Builders
Lockley Newport Boats
Mobjack Manufacturing Corp.
Associations
?
# Built
537
Hull Type
Centerboard Dinghy
Construction
FG

Dimensions

Length Overall
16 11 / 5.2 m
Waterline Length
16 9 / 5.1 m
Beam
6 5 / 2 m
Draft
0 9 / 0.2 m 4 0 / 1.2 m
Displacement
450 lbs / 204 kg
Ballast
?
drawing

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
180 ft2 / 16.7 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
?

Calculations

Hull Speed
5.48 knots
Sail Area/Displacement
49.04
high performance
Ballast/Displacement
?
Displacement/Length
42.75
Ultralight
Comfort Ratio
3.39
lightweight racing boat
Capsize Screening
3.39
better suited for coastal cruising

Notes

SA(sq.ft.): Main & Jib 180
Spinnaker: 240
Racing rules allow the use of 1 Trapeze.


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