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  • The Valveless was an English automobile manufactured from 1908 until 1915 in Huddersfield, The successor to the Ralph Lucas Valveless, the car marked the entry of the David Brown. — “Valveless - Wikipedia, the free encyclopedia”,
  • Work mechanism of valveless Pulse jet engine. Basic idea is that the bar of air in the long exhaust pipe functions like the piston of a reciprocating engine. Another point of view is that engine is an acoustic resonator internally excited by resonating combustions in chamber. — “Valveless pulse jet - Wikipedia, the free encyclopedia”,
  • [edit] Valveless pulsejet article. My main premises for taking the approach I did in The Valveless (a misnomer) Pulsejet uses the energy (as derived from. — “Talk:Valveless pulse jet - Wikipedia, the free encyclopedia”,


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