Today's Message Index:
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1. 06:15 AM - Re: Rotax 582 Quit in the air :-( (kmccune)
2. 09:40 AM - Re: Rotax 582 Quit in the air :-( (lucien)
3. 06:22 PM - Re: Rotax 582 Quit in the air :-( (Turbo_Boss)
Message 1
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| Subject: | Re: Rotax 582 Quit in the air :-( |
Did you ever figure out what happened?
Kevin
Turbo_Boss wrote:
>
> K Dilks wrote:
> > Copper part is the conrod side thrust washer from the crank shaft.
> > Bet you find the conrod blue from heat.
> > Usually caused by corrosion on the needle rollers then run. Engine sat in
a humid hanger ?
>
>
> Hey K Dilks,
>
> This Quicksilver belong to a guy that fly it almost every weekend.
>
> The hangar is not humid but here in Central America the weather is almost 100%
humidity Since this country is like inside a Rainforest BUT on the club there
are like five Quicks with 582 with more hours and they have not fail this way.
>
> I hope this next weekend I will open the crank case and I will check for that
color on the rod and will take pics.
>
> Thx for your time and help,
>
> Isaac
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History is a great teacher if you take time to study it.
Steve Bennett
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Message 2
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| Subject: | Re: Rotax 582 Quit in the air :-( |
FWIW, a good friend of mine in TX had a similar failure with his 582 after about
150 hours. The parts didn't make it into the rest of the engine but the big
end of one of PTO rod had more or less almost welded itself to the crank. The
thrust washers had melted and the remains had squished out the sides (like the
washer had been made of thick mud)....
In that case the runout on the PTO end of the crank was way way out. What we think
happened in that case was the excessive runout was causing the rod to ride
on the ends of the needles rather than on the center. Perhaps everything just
got too hot finally and just melted the works down.
The replacement crank - a factory new - also failed shortly after that, again with
the excessive runout that was caught at the next 150 hour before the engine
quit. The runout was within new everywhere on the crank when he put it in, but
had gone out at some point in the next 150 hours.
This is the main reason I'm not real thrilled with the 582. It does seem to spool
up the cranks a little more often than the other 2-strokes (which seem to hardly
ever give crank problems).....
LS
--------
LS
Titan II SS
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| Subject: | Re: Rotax 582 Quit in the air :-( |
Ok, here are the pics of the bad crankshaf area were you can see that both cooper
washer are missing. Also look the dark black color meaning overheating..................You
can see also a lot of metal debriss.
http://i85.photobucket.com/albums/k57/Turbo_Boss/Ultralights/Missingwasher.jpg
This other pic, is from the Crankshaft area from the piston that was in good condition.
You can see both cooper washers.
http://i85.photobucket.com/albums/k57/Turbo_Boss/Ultralights/CooperWashers.jpg
Thx,
Isaac
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http://forums.matronics.com/viewtopic.php?p=266506#266506
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