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| You don't tell us how far LOP 1590dF put him, but I'm guessing that he simply was so far LOP that as soon as the rain messed up the F:A ratios, he had a cylinder or two not fire on one stroke. The result was a light off of the fuel in the hot exhaust. (it wasn't a backfire, it was an afterfire.)
Walter
On Sep 12, 2006, at 5:55 PM, phil s wrote:
Anyone had experience with this?
Pilot flying our IVP (TSIO550E3B with 4 blade MT) and reports:
"Had backfires(?) couple of nights back. Was running lean of peak with
temps 1590 at FL150, around -15C, light rain, 29Hg 2500rpm .
Happened twice so went rich of peak for remainder of flight with no
problems. Any reason come to mind?"
Be grateful for any thoughts
Phil Sexton
Melbourne
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