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140L seems down on power

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Old 10-10-2005, 06:52 AM
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colled
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Default 140L seems down on power

I have just setup my 140L, but it seems down on power as I'm only getting 7500rpm max from a 17x8 Biela carbon prop running on 20/20 fuel. I was expecting atleast 8500 rpm. Idle wanders a bit between 2100 and 2500, but transition to full power is good. Any ideas about the lack of power ?
Old 10-10-2005, 10:20 AM
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Dave Shadel
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Default RE: 140L seems down on power

It sounds sick, but without seeing the engine I would have no idea why it is down on power. Leaking valves, leaking piston ring, who knows?
Old 12-10-2005, 05:49 PM
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airega1
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Default RE: 140L seems down on power

Biela props have very wide blades, could be the cause for the lower RPM's

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