Well Dave Lemon is getting a bit apprehensive. He has not been paid
yet. This engine is easily capable of destroying itself if it is not
properly loaded at high RPM. Mixture could go very lean at 12,000 RPM
or higher. He is rightly concerned. Most of his dyno experience has
been with carbs that usually provide a near usable mixture setting
throughout the power band. Also carbs tend to have a moderate throat
size to provide a good fuel signal at the low end. This tends to limit
HP and RPM at the top end compared of course to say; a p-port with a
slide
throttle. In an airplane the load is always there. The prop runs
into a load brick wall around 2700 RPM which of course limits the
engine RPM to 2.85 times that or 7700 RPM.
I am debating with myself if we should move the engine to a prop
dyno which is more suitable for setting the mixture using Tracy's
programming methods.
Paul Lamar
We're 3000 miles away, but if you want to discuss using our dyno, send
me a note. I've got no problem with setting up an EFI system from "scratch."
Jon
Might take you up on that Jon.
Paul Lamar
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