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bwalker11(at)charter.net
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 Posted: Tue Aug 29, 2006 4:25 am Post subject: Kimball Clean Kit |
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Dennis,
Yurgis had made a white mark on the gear underneath the cover at a point when the master rod crank bearing was at the twelve o'clock position. He would rotate the engine after shut down until he could see his mark. Apparently, having the master rod crank bearing at the twelve o'clock position prevents the posibility of siphoning out of the oil tank that can occur occasionally when a piece of carbon or whatever prevents the check valve from closing completely.
BW
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david(at)mcgirt.net
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| Posted: Tue Aug 29, 2006 5:01 am Post subject: Kimball Clean Kit |
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Here is a picture of it..
[url=http://www.mcgirt.net/yak/dmcgirt/IMGP4193%20(Large).JPG]http://www.mcgirt.net/yak/dmcgirt/IMGP4193%20(Large).JPG[/url]
From: owner-yak-list-server(at)matronics.com [mailto:owner-yak-list-server(at)matronics.com] On Behalf Of Bill Walker
Sent: Tuesday, August 29, 2006 8:25 AM
To: yak-list(at)matronics.com
Subject: Re: Kimball Clean Kit
Dennis,
Yurgis had made a white mark on the gear underneath the cover at a point when the master rod crank bearing was at the twelve o'clock position. He would rotate the engine after shut down until he could see his mark. Apparently, having the master rod crank bearing at the twelve o'clock position prevents the posibility of siphoning out of the oil tank that can occur occasionally when a piece of carbon or whatever prevents the check valve from closing completely.
BW
[quote]
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dsavarese(at)elmore.rr.co
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| Posted: Tue Aug 29, 2006 5:03 am Post subject: Kimball Clean Kit |
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Thanks Bill. Very helpful.
Dennis
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KJKimball(at)aol.com
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| Posted: Tue Aug 29, 2006 8:54 am Post subject: Kimball Clean Kit |
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Dennis,
I have seen the kit on Jurgis' SU31. He assembled the airplane here at our shop when it came into the US earlier this year. There are marks made on the gears to help you align the crank to a certain position. In that position, the valves and pistons on the lower jugs are set such that the amount of oil that can get into the lowers is minimized. It doesn't really stop any flow potential. He says it doesn't really do the trick as evident by the mess on the floor.
He has some of our kits to install on his 3 airplanes this winter.
Sincerely,
Kevin Kimball, VP Engineering
Jim Kimball Enterprises, Inc.
PO Box 849, 5354 Cemetery Rd.
Zellwood, FL 32798
407-889-3451 phone
407-889-7168 fax
www.jimkimballenterprises.com
www.pittsmodel12.com
[quote][b]
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mark.bitterlich(at)navy.m
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| Posted: Tue Aug 29, 2006 1:51 pm Post subject: Kimball Clean Kit |
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Just to address the hyd lock issue that happened here. You win the bet Doc. There appears to be strong proof that the pilot didn't even bother to pull the prop through at all. The 52 did not belong to him, but in fact to two other fellas. They being "Good ole Boys" allowed this guy to fly their 52. The pilot just hopped in and cranked the thing right up. Apparently he had been doing this for some time... the first time by accident.... but when nothing happened THAT time, he decided that it was all a waste of time anyway. He actually got away with it longer than any of us might imagine. On the day in question, there was oil blown back 10 feet in a spray pattern from the exhaust from the initial start. Imagine that. 10 minutes after takeoff the engine started shaking... rather violently. He managed to get back to the airport safely. Piston rod broken, damage all over the place... too much for any chance of repair.
Wait.. it gets better.
This same gent wrecked a Pitts S-1 when he took it up on his first flight after purchase (without any kind of checkout what-so-ever) and then tried to land it with an 18 knot crosswind. He slid off the runway, then tried to take it around, hit a runway marker, then cartwheeled down the runway. He walked away with a few scratches. Pitts was totalled. By the way, there was another runway facing directly into the wind, but his girlfriend would not have been able to watch him land on THAT runway. He had never flown a Pitts before, and his last tailwheel time was 2 years earlier... in a Skybolt.
Of course, then he was violated from the tower for doing aerobatics within the Class D.
He still has his ticket, and he still is flying... a twin now.
All this in less than one year.
Truth is more bizarre than fiction folks.
Mark Bitterlich
N50YK
From: owner-yak-list-server(at)matronics.com [mailto:owner-yak-list-server(at)matronics.com] On Behalf Of Roger Kemp
Sent: Monday, August 28, 2006 23:01
To: yak-list(at)matronics.com
Subject: RE: Kimball Clean Kit
Saying all that, it still seems the Russians pretty well thought of everything with the oil shut off valve in the oil pump. Had to clean mine about two years ago and have not had any problems with it since. I realize the Kimballs have some good stuff. Their intake drain being one. I have noticed that my drain valve on the 50 does leak some after the valve is close and have seen it doing it after engine shut down. Yes it is fully closed too. So nothing is perfect. It is up to us the pilot in charge to make sure our steads are airworthy.
10 to 1 the hydraulic lock occured because some one shorted the pull through. 8 blades being the minimum. I prefer 14. If there is oil draining from the intake or and exhaust stack, I pull more. If there is resistance to pulling the blade forward, I do not pull any farther. If it is solid, then rocking the blade back slightly will usually open a valve and the oil will puke out. If it is not moving, the off comes the cowling and the spark plugs are pulled. Since I already have a drain kit I do not pull the intake plugs.
Early on I asked why there was not a manual oil cutoff valve to prevent an overflow that occures when the check valve is grunged up and allowing oil to overflow. After seeing that the check valve that the Russians invented was so efficient at keeping oil in my tank (particularly, I a little preventative maintenance was done regularly), I decided not to break a system that was not broke. If it is broke, then fix it.
Doc
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viperdoc(at)mindspring.co
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| Posted: Tue Aug 29, 2006 6:54 pm Post subject: Kimball Clean Kit |
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Living proof, God protects fools and drunks.
Doc
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