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  #16 (permalink)  
Old 04-22-2004, 07:58 PM
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quench

Royce,
I read that site that someone posted about quench, and with what you said i understand more about quench. I guess this is what i learned today!!!! I am under the idea that the roll of quench is more important to detonation, but as a added benifit you pick up some horse power......

weasel,
that was a good example you gave. It drove home what the web site stated about quench. What you said about the "D" shaped pistons is what i was trying to say but i guess it didn't come out right.... L.O.L.

It's nice to have a place to go and ask tough questions and have a disscussion with out people slamming you...... I love this place!!!!

What's in store for the class tomorrow?????

Keith

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  #17 (permalink)  
Old 04-22-2004, 11:01 PM
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So if the mixture is directed to one side of the piston, does the resulting combustion push harder on that side of the piston? Probably not, but scary thought.
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Old 04-23-2004, 01:25 AM
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Lust4speed, I often thought the same thing. I suppose if the flat part of the piston and head was larger (pushing the charge WAY over to one side), I suppose that could be an issue.

Royce
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Old 04-23-2004, 06:07 AM
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Royce and others,

I understand it now, I found a few more sites and did more reading.... Thanks for all the answers and posts. Sounds like its worth the extra effort to just go ahead and build for a tight quench.


thanks

Ben

Last edited by brainsboy; 04-23-2004 at 07:22 AM.
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Old 04-23-2004, 08:20 AM
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Quote:
Originally posted by lust4speed
So if the mixture is directed to one side of the piston, does the resulting combustion push harder on that side of the piston? Probably not, but scary thought.
The balance of pressure across the piston top shouldn't be upset enough to cause uneven wear. The momentary increase in pressure on the "chamber" side is offset by the momentary increase in pressure between the piston and head. Remember the piston is moving 2000-4000 feet per second. The sound barrier is just under 1000 feet per second I think. The pressure spike created when it comes within 0.035"-0.050" of the head could be roughly equal to an explosion such as combustion.

Larry
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Old 04-23-2004, 09:15 AM
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Ben, I think you will be happy you did. Glad we could help some.

Royce
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