Roberta Jean

Design of a double ended trawler yacht for Bill Cottingham built at Yachtsmiths International.  Lines plan, structure, arrangement, and system drawings were done, as well as a full set of lofted structural parts, weight estimate and stability calculations.



LOA: 42′ 8-1/4″
LWL: 39′ 9-1/2″
Beam: 13′ 5-1/2″
Draft: 4′ 10-1/2″
Vessel Type: Trawler Yacht
Main Engines:  80 BHP @2500RPM
Cruise Speed: 7 knots
Max Speed: 8.5 knots
Owner: Bill Cottingham
Shipyard: Yachtsmiths


Machinery and Auxiliary Systems

Designed to cruise at 7 knots with a John Deere 4045 80hp engine.


Outfitted with comfortable accomodations below, and a steadying sail above for smooth operation.


Steel hull and superstructure.

Design Drawings

Roberta Jean General Arrangement sheet 1

Roberta Jean General Arrangement sheet 2



picture 1-min (EYE)