AIRCRAFT ENGINE DESIGN Automotive Industries, July 13, 1922 … siidtt, showing also the integrally cast inlet manifold use of aluminum cylinders with inserted valve seats andspark plug bushings of aluminum bronze; to the elimina-tion of babbitt lined bearings, and the use of main bearingcaps of forged aluminum; to the compact and convenientlayout of the…
Automobiles · Aeronautics
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