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David.Lehman
Joined: 10 Jan 2006 Posts: 265 Location: "Lovely" Fresno CA
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Posted: Sun Jul 09, 2006 4:56 pm Post subject: Thank Goodness For Big Tires... |
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Yesterday was the second day that I've flown my Firestar and at about 3.9 hours since I put her back together and at 1500 feet, the engine quit without warning... The only field that looked halfway decent was plowed, but the wind was with the furrows... My 850x6 tires handled the rough ground without complaint... I got out of the plane, walked around looking for anything obvious, didn't find anything... Pulled the starter rope and she started first pull and ran perfect... I picked up the tail, turned her around and taxied to the end of the field, did a "runup", crossed my fingers and took off... Was only about a mile back to the airport and the engine never missed a beat... Got home, pulled the float bowl, perfectly clean, started and ran the engine several more times, no problem... "Gremlins", ugh...
DVD
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ô¿ô "Attitude is everything ~ pick a good one"...
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HShack(at)aol.com Guest
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Posted: Sun Jul 09, 2006 5:17 pm Post subject: Thank Goodness For Big Tires... |
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In a message dated 7/9/2006 8:58:23 PM Eastern Standard Time, david(at)davidlehman.net writes:
Quote: | Pulled the starter rope and she started first pull and ran perfect... I picked up the tail, turned her around and taxied to the end of the field, did a "runup", crossed my fingers and took off... Was only about a mile back to the airport and the engine never missed a beat... Got home, pulled the float bowl, perfectly clean, started and ran the engine several more times, no problem... "Gremlins", ugh...
DVD
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Maybe a mini-siezure; pull the exhaust manifold & take a look at the cylinder walls.
Howard Shackleford
FS II
SC
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David.Lehman
Joined: 10 Jan 2006 Posts: 265 Location: "Lovely" Fresno CA
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Posted: Sun Jul 09, 2006 5:24 pm Post subject: Thank Goodness For Big Tires... |
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RPM never varied (until it quit), prop kept windmilling, CHT was rock solid on 300 degrees, really good running 503, when it's running... I reached around and pulled the choke/enrichener/whatever and it didn't make any difference...
DVD
On 7/9/06, HShack(at)aol.com (HShack(at)aol.com) <HShack(at)aol.com (HShack(at)aol.com)> wrote: Quote: | In a message dated 7/9/2006 8:58:23 PM Eastern Standard Time, david(at)davidlehman.net (david(at)davidlehman.net) writes:
Quote: | Pulled the starter rope and she started first pull and ran perfect... I picked up the tail, turned her around and taxied to the end of the field, did a "runup", crossed my fingers and took off... Was only about a mile back to the airport and the engine never missed a beat... Got home, pulled the float bowl, perfectly clean, started and ran the engine several more times, no problem... "Gremlins", ugh...
DVD
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Maybe a mini-siezure; pull the exhaust manifold & take a look at the cylinder walls.
Howard Shackleford
FS II
SC
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--
ô¿ô "Attitude is everything ~ pick a good one"...
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--- George Bernard Shaw |
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ulflyer(at)verizon.net Guest
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Posted: Sun Jul 09, 2006 7:20 pm Post subject: Thank Goodness For Big Tires... |
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Do you have an in-line primer bulb - if so does it have a by-pass
installed in case the check valve sticks closed. It's happened
before, it surely can happen again.
jerb
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ulflyer(at)verizon.net Guest
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Posted: Sun Jul 09, 2006 7:22 pm Post subject: Thank Goodness For Big Tires... |
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Thought of this just after sending my prior reply.
Not sure what engine you have, any chance of a ignition switch
failure, intermittent or a soft snap action.
jerb
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lcottrell
Joined: 29 May 2006 Posts: 1494 Location: Jordan Valley, Or
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Posted: Mon Jul 10, 2006 11:54 am Post subject: Thank Goodness For Big Tires... |
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[quote] ---
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lcottrell
Joined: 29 May 2006 Posts: 1494 Location: Jordan Valley, Or
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Posted: Mon Jul 10, 2006 11:56 am Post subject: Thank Goodness For Big Tires... |
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Howard is right!, pull the exhaust and check for signs of scraping on the cylinder walls. Just got back from a repairman's course and we discussed that very same thing. The instructor stated that the alum pistons will heat up and grab the walls with out much damage, piston cools down on the descent and will start up with no problem, but will generally seize again in about 12- 15 minutes. The first fix is pretty cheap, just a piston, the second will cost you a cylinder as well.
Larry
[quote] ---
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