question about the valves

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brandonppr
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question about the valves

Post by brandonppr » Sun Nov 21, 2010 3:53 am

Is air being sucked in causing the valve to open and then shut when the engine fires?

metiz
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Re: question about the valves

Post by metiz » Sun Nov 21, 2010 11:22 am

yes. The pressure difference causes outside air to push the valves open
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Rocket Man
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Re: question about the valves

Post by Rocket Man » Tue Nov 23, 2010 3:48 am

When the fuel air mixture ignites in the combustion chamber it builds up pressure that blows out the exhaust tube. The pressure traveling down the exhaust tube acts like a piston about half way down the tube the pressure drops to zero after it sucks a vacuum in the engine that causes more fuel and air to enter the engine for the next combustion cycle.

55dcyinely
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Re: question about the valves

Post by 55dcyinely » Thu Nov 25, 2010 3:35 pm

A simple self sustaining eternal combustion engine, with no moving parts. Intake, compression, ignition and exhaust.
(Intake could be referred to as vacuum.)
It is truly amazing that a 100 year old technological still has something to teach us! :D

YES I stand corrected again! Thanks for the email friends!
Intake i.e. ,1-fuel and oxygen, 2-Ignition then 3-thrust. With or without valves.
http://commons.wikimedia.org/wiki/File: ... Engine.PNG
Pulse_Jet_Engine.PNG

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