Oil issue - RCCanada - Canada Radio Controlled Hobby Forum
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Old 05-04-2006, 04:25 PM   #1
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Oil issue

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I know that we all have to deal with the end of day cleanup but its getting on my nerves a little. I mean i have a TON of oil on my plane after flying. I tried to check the mixture and it was a little too rich but after that was fixed, the oil was still splashing over my wings and my fuse, all the way back to the tip of my antenna???????? Is this normal???

And I also have a little question which has been worrying me... Why does my engine always start in reverse
Its a relatively new engine and its as smooth as butter but it has this funny little habit of starting and running backwards. Of couse it runs like crap in reverse but I would like to know what i can do to prevent this?
I use a "chicken stick" to start the engine and i thought of buying an electric starter but i doubt it'll happen on a student budget
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Old 05-04-2006, 05:31 PM   #2
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A Good portion of the oil does not burn in glo engines. This is the way it is suppose to work. Get used to the clean up or go for electric or gasoline power.

When starting by hand it is nessacary to folow through the compresion completely with your chicken stick to prevent running backwards.

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Old 05-04-2006, 05:51 PM   #3
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Yes unfortunately oil is part of flying glow planes. Depending on your engine and the orientation in which is it mounted you may be able to put an exhaust deflector on the muffler. This is a short piece of tubing that you clamp (with a hose clamp or zip-tie) to the muffler output. It may direct some of the unburnt oil away from the plane.

Beware though that exhaust deflectors can create an overheating situation if the engine is cowled and not ducted properly. If the engine stops running well remove the deflector and go back to wiping the oil off.

I know it is a pain, and the oil can seep in to balsa, and over time ruin parts of the plane, but so long as you wipe it down you will be ok. When you build your next plane try to mount the muffler so that the oil falls away from the plane i.e. mout the engine on its side with the exhaust pointing down.

Good Luck
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Old 05-04-2006, 06:10 PM   #4
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If it always starts backwards try flipping the prop backwards. That is how I start my big Moki. I flip it backwards so when it hits compression the engines backfires forward.
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Old 05-04-2006, 09:10 PM   #5
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When I hand flip my Supertigres I usually flip em backwards to start em. I have the same problem as you. Seems some engines just like to start this way.
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Old 05-05-2006, 06:31 AM   #6
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What brand of fuel are you using? If it is the pink Omega then that is mostly all castor oil and yes will leave lots of mess. If it is the green cool power it is synthetic and should not be too bad.

What brand and size of engine do you have? There could be fuel leaking out of the front bearing or bushing. How old is the engine?

As suggested try flipping engine clockwise so that it will fire and turn counter-clockwise when it does start.

Check local swap meets for a starter. Can usually get a good used one for about $25.00.

Have you asked one of the engine gurus in your club? Every club has at least one or two of these guys.
Jim Daly
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Old 12-26-2009, 12:29 PM   #7
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Re: Oil issue

I use morgan cool power synthetic fuel has less mess than omega.Many times i start engines clockwise to help eliminate that problem.

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