overhead camshaft(redirected from Twincam)
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overhead camshaft[′ō·vər‚hed ′kam‚shaft]
A camshaft mounted above the cylinder head.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The camshaft of an aircraft reciprocating engine, located above the cylinder head, which operates the valves directly without the aid of the push rods.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved