1959-01-01

Aluminum Die-Cast Cylinder Blocks in Outboard Motors 590066

THIS PAPER describes 20 years experience in developing and using die-cast aluminum cylinder blocks in outboard motors.
Several different types of cylinder blocks, ranging in size from 1½ to 50 hp, are described, with an outline of the design procedure of the 50-hp V-4 block. Production details included are: die construction method and casting data, process for impregnating, machining and air testing, use of dry liners, and plated and sprayed coatings.

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