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running over-square
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September 19th 07, 07:19 PM posted to rec.aviation.piloting
Matt Barrow[_4_]
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running over-square
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ps.com...
On Sep 18, 1:40 pm, Newps wrote:
wrote:
I have the cylinder from an IO-520 here that had been
detonating. The head is blown clean off the cylinder; the aluminum
fractured at the top of the cylinder threads. Things would get very
noisy, shaky, smoky and scary if that happened. Cylinder pressures go
out of sight during detonation, as do CHTs.
That sounds like preignition, not detonation. Detonation is rarly fatal
to an engine.
http://en.wikipedia.org/wiki/Engine_knocking
http://www.streetrodstuff.com/Articl...ne/Detonation/
http://www.sacskyranch.com/deton.htm
http://www.americanaviationinc.com/effectsNavajo.html
http://www.avweb.com/news/pelican/182132-1.html
(Detonation Myths)
Matt Barrow[_4_]
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