MODIFICATION OF MURRAY AND TREGURTHA MODEL 02D PROPULSION UNIT
NAVAL CIVIL ENGINEERING LAB PORT HUENEME CA
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A new Murray and Tregurtha Model 02D Propulsion Unit was modified by installing hydraulic elevation and steering, strengthening the swing joint gear group, and providing a two-way oil pressure system for the tail section. A 20- hour test in Port Hueneme Harbor indicated that the modified components should operate satisfactorily.
- Marine Engineering