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1. 04:03 PM - Re: Autofuel (Hinde, Frank George (Corvallis))
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--> RV7-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
Hi All,
According to GAMI the IO360 can run premium autofuel and they recommend
the following.
Based presumably on the testing they have done with their new PRISM
ignition system that adjusts the spark timing and measures the crank
angle where the max cylinder pressure occurs....Apparently this point is
16 deg ATDC.
For the first time we are on the cusp of having the timing being
adjusted based on what the engine is actually doing...its a bit like a
highly advanced knoock sensor found on auto engines.
By this time you should be saying WOW!
The great thing is you can almost throw any fuel in it you want (as long
as it does not pre-ignite)...If it detontates the Prism will presumably
retard the ignition until it stops.
But I digress...They say to keep CHT's down to 375F or less. And then
run at 100F ROP or 25 to 50 LOP.
So there you have it...They believe these are conservative numbers.
Frank
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