QUOTE(davidke20 @ May 22 2012, 10:51 PM)
There is combustian. Kan dah sakap idling masih supply minimal fuel so the engine won't stall? As of 0 combustion, during downhill you turn your key switch off. I'll see you in hell.
Wait wait, I thought when coasting the fuel supply is totally cut off and the wheels drive the engine? So everything works as normal except there's no combustion?
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Not sure whether your "entertaining" have any sarcasm between the line, but I take it as a compliment then. Since you think my knowledge is "entertainment", might as well give you another story
It's a compliment
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Have you seen people battery weak, then get some buddy to push the car to running speed, say 15~20kmh. Suddenly engage 2nd gear and release clutch to choke up the engine? This is an EXACT reverse logic of the downhill FC panaroma. The chain reaction is, when your wheels are spinning, if TRANSMISSION(take note, gear box transmit engine torque to wheels to create momentum, thats why it named that way) engaged, torque from wheel will pass back to clutch. Clutch that disengaged snap on the flywheel, then the flywheel turn the crankshaft. Crankshaft received force to mobilize the conrod. Finally your piston pushed all the way up to the top and compressed any air/fuel inside the engine. When piston reaches the top, air/fuel mixture reached its....damn can't remember the scientific name, think its combustion point. Then the mixture self ignite. Then the car ma start liao lo.
Ahh, push starting. Yah, I tried that before, on a friend's car, when the battery died. Wasn't successful though, in the end jump-starting worked.
Isn't what you described how diesels work? In that case we don't need spark plugs any more, on petrol engines?
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Maybe the earlier This post has been edited by lhwj: May 22 2012, 11:39 PM
May 22 2012, 11:39 PM

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