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03-29-2019, 10:42 AM

#39729

SrTelemaster150

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Join Date: Feb 2012

Location: Brasher Falls, NY

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Quote:

Originally Posted by Captcrunch44

30% nitro
18% oil

Quote:

Originally Posted by Glowgeek

30% nitro in a high compression 180? Try FAI fuel (0% nitro) or maybe up to 10%. Having high compression advances the ignition timing and doesn't require high nitro content. You could be experiencing detonation using 30%. Check your glow plug for a deformed coil and/or little bumps on the wire.

Things that advance ignition timing in glow engines:

Higher compression
Hotter glow plug
Higher nitro
Higher oil content
Higher prop load

Try 30% nitro O'Donnell Speed Blend with 8% oil in an FA-180HC running CDI

Holy moly will it howl! Hit nearly 9000 RPM with an 18 x 8 Dynathrust prop.

Boy oh boy was it ever thirsty though.

Last edited by SrTelemaster150; 03-29-2019 at 10:58 AM.

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