Today's Message Index:
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1. 06:08 AM - Re: slight leak at coolant hose elbow at #1 cyl. (Roger Lee)
2. 11:58 AM - RPM Variation (John Fasching)
3. 12:11 PM - Re: RPM Variation (Bob Comperini)
Message 1
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| Subject: | Re: slight leak at coolant hose elbow at #1 cyl. |
Hi Lucien,
It happens once in a while, but not real common
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Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Repair Center
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=343034#343034
Message 2
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I posted this querry on Vansairforce net but got no response.
My RV-12 with a Rotax 912ULS works fine. Good weather has allowed me to
fly each day for the past 6 days, and I note an engine rpm variation of
perhaps 100-rpm up or down while in cruise.
I suspect, but am not certain by any means, that this is due to slight
up or down pitch changes that change the loading on the engine.
Doesn't seem to hurt anything, but I'd rather not have to keep an eye on
the engine rpm.
Your take?
Message 3
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| Subject: | Re: RPM Variation |
>
>My RV-12 with a Rotax 912ULS works fine. Good weather has allowed me to fly each
day for the past 6 days, and I note an engine rpm variation of perhaps 100-rpm
up or down while in cruise.
>
>I suspect, but am not certain by any means, that this is due to slight up or down
pitch changes that change the loading on the engine.
Caused by pitch changes? Yeah, I suspect that's the case. Do you use a digital
tach? If so, those things can almost drive you nuts, because they do report every
little variation. heck, you probably wouldn't even notice such a small change
when using an analog gauge.
Just my opinion.
--
Bob Comperini
e-mail: bob@fly-ul.com
WWW: http://www.fly-ul.com
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