Today's Message Index:
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1. 02:36 PM - Engine combustion troubleshooting concepts (Ralph E. Capen)
2. 05:45 PM - Re: Engine combustion troubleshooting concepts (FLYaDIVE)
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| Subject: | Engine combustion troubleshooting concepts |
Re-breaking in my engine after prop-strike by hangar door induced by tornado.
Considering the engine already had 160+ hours on it - I know how it was running
for a while.
I have one cylinder running not like the others. Before I tell what is happening,
I want to make sure I understand/remember the basic concepts.
EGT-only elevated - CHT reduced...unburned fuel going out exhaust and burning on
the way out - plug not firing
EGT-only elevated - ...unburned fuel going out exhaust and burning on the way out
- plug not firing completely
CHT-only elevated...not enough cooling air
EGT and CHT elevated...lean mixture - air leak
Refresh my memory here.
Message 2
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| Subject: | Re: Engine combustion troubleshooting concepts |
Ralph:
Go to Electronics International web site and down load their
troubleshooting guide. It covers all sorts of combo's as you mention.
Barry
On Mon, Dec 3, 2012 at 5:33 PM, Ralph E. Capen <recapen@earthlink.net>wrote:
> recapen@earthlink.net>
>
> Re-breaking in my engine after prop-strike by hangar door induced by
> tornado.
>
> Considering the engine already had 160+ hours on it - I know how it was
> running for a while.
>
> I have one cylinder running not like the others. Before I tell what is
> happening, I want to make sure I understand/remember the basic concepts.
>
> EGT-only elevated - CHT reduced...unburned fuel going out exhaust and
> burning on the way out - plug not firing
> EGT-only elevated - ...unburned fuel going out exhaust and burning on the
> way out - plug not firing completely
> CHT-only elevated...not enough cooling air
> EGT and CHT elevated...lean mixture - air leak
>
> Refresh my memory here.
>
>
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