Engineering:Mobjack (dinghy)

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Short description: Sailboat class
Mobjack
Mobjack sail badge.png
Development
DesignerRoger Moorman
LocationUnited States
Year1956
No. built537
Builder(s)Mobjack Manufacturing
Lockley Newport Boats
RoleOne-design racer
Boat
Crewtwo
Boat weight450 lb (204 kg)
Draft4.00 ft (1.22 m) with centerboard down
Hull
Typemonohull
Constructionfiberglass
LOA17.00 ft (5.18 m)
LWL16.75 ft (5.11 m)
Beam6.50 ft (1.98 m)
Hull appendages
Keel/board typecenterboard
Rudder(s)transom-mounted rudder
Rig
Rig typeBermuda rig
Sails
Sailplanfractional rigged sloop
Spinnaker area240 sq ft (22 m2)
Total sail area180 sq ft (17 m2)

The Mobjack is an American sailboat that was designed by Roger Moorman as a one design racer and first built in 1956.[1]

The boat is named for Mobjack Bay, Virginia.[2]

Production

The design was built by Mobjack Manufacturing in Gloucester, Virginia and Newport Boats in Newport, California, United States , among other builders. Production started in 1956 and ended in 2003 with 537 boats completed, but it is now out of production.[1][3][4]

Design

The Mobjack is a recreational sailing dinghy, built predominantly of fiberglass, with wood trim. It has a fractional sloop rig, a plumb stem and transom, a transom-hung rudder controlled by a tiller and a folding centerboard. It displaces 450 lb (204 kg).[1]

The boat has a draft of 4.00 ft (1.22 m) with the centerboard extended and 9 in (23 cm) with it retracted, allowing beaching or ground transportation on a trailer.[1]

For sailing the design may be equipped with a spinnaker of 240 sq ft (22 m2). A single trapeze is normally used by the crew.[1]

Operational history

The boat is supported by an active class club that organizes racing events, the International Mobjack Association.[1][5]

See also

References

External links