Belt driven gear developed by Viking Marine Co consists of two stage drive with resulting gear ratio of 7.12:1; in 30 ft boat seating 80 persons, three cranks are operated by total of 20 persons, who are able to exceed statutory speed of 3.5 knots; weight of boat fully loaded with persons and equipment is 8 1/2 tons.
Development in lifeboat hand propelling gear
Shipbldg Shipg Rec
Shipbuilding and Shipping Record ; 85 , n 18
1955
2 pages
Article (Journal)
English
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