Today's Message Index:
----------------------
1. 04:14 AM - Prop strike (Tim Perkins)
2. 09:01 AM - Re: Prop strike (N601RT)
3. 09:03 AM - Cylinders too cool? (Jack Kuehn)
4. 09:52 AM - Re: Re: Prop strike ()
Message 1
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--> RotaxEngines-List message posted by: "Tim Perkins" <Timothy.Perkins@uvm.edu>
Hi All,
Not quite ready to go over all the details yet, but my plane had a prop
strike on a taxiway light last week. One blade of the GSC wood prop lost the
inlaid plastic leading edge and had some slight damage (it will need to be
replaced). The engine (80 hp, 912UL) kept running and was shut down
immediately afterward.
Besides replacing the prop, what is the best course of action?
- Full tear down of engine?
- Tear down of gearbox only?
- No tear down necessary (wood prop, light damage)?
Tim Perkins
N1170Q
Message 2
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--> RotaxEngines-List message posted by: "N601RT" <N601RT@comcast.net>
Hi Tim,
I'd recommend you contact one of the Rotax distributors for information regarding
your prop strike. I've found Lockwood Aviation to be very helpful. 1-800-LA-ROTAX
(1-800-527-6829)
Regards,
Roy
N601RT: CH601HDS, nose gear, Rotax 912ULS, Arplast PV-50, All electric, IFR equipped,
545hrs, 646 landings
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=41812#41812
Message 3
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| Subject: | Cylinders too cool? |
--> RotaxEngines-List message posted by: Jack Kuehn <jkuehn@mountaintime.myrf.net>
I have a 912ul in a tractor configuration (Sky Ranger) with just over 60
hours. The spark plugs in the front cylinders are darker and dirtier
than the rear ones. The electrode itself on the four front plugs look
normal; brown and clean. But the rest of the plug is covered with a
thin layer of carbon that I do not find on any of the rear plugs. I
think this is because the front cylinders run cooler than the rear ones,
and I am wondering if this is OK. Should I be cowling those front
cylinders? I have seen pictures of a plastic cover on the cylinders but
have never seen this installed. Any thoughts?
Jack
Message 4
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--> RotaxEngines-List message posted by: <rparigor@suffolk.lib.ny.us>
Hello Tim
Read the service manual. I have manual for 914 and section 12.4.1 Check
after propellor ground contact or accidental propellor damage.
If you have a slipper clutch, and contact happened at low power setting,
if it were me, would probably just check crank and prop shaft for true,
and visual inspect gearbox and associated, put on new prop and go fly.
If no slipper clutch, follow manual, remove gearbox and send it out, check
crank for run out and inspect all.
Ron Parigoris
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