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Old 09-18-2017, 05:02 PM
kaa kaa is offline
Join Date: Dec 2013
Location: Oakland
Posts: 40

Originally Posted by RFSchaller View Post
Julian, was there any spiking of fuel flow or pressure that might indicate vapor lock?

Am I reading the graph right when it looks like your MAP is dropping? Is it a cause or an effect of the loss of power. I can't figure out what would cause it to drop as a cause unless the air flow was some how restricted and that doesn't seem feasible.

I have the same question - I don't understand how a fuel flow obstruction could cause such a remarkable drop in manifold pressure. It is my understanding that a loss of RPM due to fuel or spark should cause a rise in MP (the same way it behaves when you cycle a constant speed prop during runup).

UPD: oops, forgot it's turbocharged.

Last edited by kaa : 09-18-2017 at 05:04 PM.
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