Differences between helicopter and automotive requirements; factors affecting weight per horsepower of helicopter transmission; housings, because of weight are usually made of light metals such as aluminum or magnesium; this introduces problems such as thermal expansion, softness of material, corrosion, etc; deflections in housings from external attachments and driving loads; spiral bevel gearing provides smooth and quiet operation with high load carrying capacity.
Drive systems for helicopters
Aero Digest
Aero Digest ; 53 , n 2 ; p 70-71 + 100
1946
Aufsatz (Zeitschrift)
Englisch
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