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Old 10-07-2018, 08:37 PM
RFSchaller RFSchaller is offline
Join Date: Oct 2010
Location: Phoenix, AZ
Posts: 2,322


Thanks for the reply. Seems strange. Frankly I don’t know how my ignition modules soldier on in Phoenix heat. The temp tapes I put on them go up to 190F on the witness marks. I never thought they could hang n there at such temps.

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Old 10-07-2018, 11:02 PM
n518jh n518jh is offline
Join Date: Jan 2015
Location: Sun City West, AZ
Posts: 21

For cold starts, I use 1/2 to full choke initially -- be sure that the throttle is FULLY CLOSED. As soon as the engine fires, I feed in a bit of throttle and start easing the choke off. For warm/hot starts, I use no choke at all and just crack the throttle open. These procedures work very well for my RV-12 and others I have flown -- usually, you can't even see the prop move before its running.

I tried the suggestion above and it works, both hot and cold (Phoenix is relative cold) Thanks for the suggestion. Mark
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Old 10-08-2018, 08:13 PM
RFSchaller RFSchaller is offline
Join Date: Oct 2010
Location: Phoenix, AZ
Posts: 2,322

When my carbs were overhauled the shop switched my “choke” modules. That was some really hard starting until I figured out their mistake and fixed it.
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