Hawkins, Victor Dean, 1875- · New York [etc.] Longmans, Green, and co. · leaf 133
FIG. 91. —Three-port,valveless, two-cycle gas-engine. FIG. 90. —Four-cycle gas-engine. out at the exhaust. The return stroke compresses thegas ready for the explosion. An explosion takes place ateach revolution or every two cycles. The explosive mixture is a gas and is a gas after theexplosion. The…
Physics
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