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Old 08-25-2021, 03:41 PM
thailazer's Avatar
Join Date: Mar 2008
Location: Liberty Lake, WA
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Default Large Glow Engines and Nitro Content

Fellow flyer has a fairly new Magnum XL 180 and it idles great, but will die suddenly when advancing the throttle often. When it does get up to full power, it seems to have plenty of power and is not lean or too rich. Fuel is 15% nitro content which I am thinking may be the issue, as my Webra 120 needed a short plug and extra glow plug washer to be able to run 15% nitro. Does high nitro fuel affect detonation timing at mid-range that could kill the engine suddenly? There is no sputtering as it just plain stops. All advice appreciate.