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Rotax 582 Quit in the air :-(

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Turbo_Boss

Joined: 14 Jul 2009
Posts: 10
Location: Panama Rep. of Panama - Central America

Posted: Tue Jul 14, 2009 1:54 pm Post subject: Rotax 582 Quit in the air :-(

Hello Guys, 



This almost new Rotax 582 Blue Head with only 100 hrs in a Quicksilver decide to quit in the air. Emergency landing was ok with no damage to the Quicksilver neither to the pilot.



This engine is Oil injection and use Penzoil oil



The engine was working perfectly and sudenly the RPM beguin to drop until it stop completely  



We decide to open the motor today and we remove "only" the cylinders.  This is what we found. (Next weekend I will open the crankcase to see what I find.)



If you check the pics you will see a cooper color part. This part was stuck on the crankshaft.



Were this part coming from? Were it goes in the engine and why this happened?  



Any clue?



THX,



Isaac

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K Dilks

Joined: 22 Sep 2008
Posts: 108
Location: UK

Posted: Tue Jul 14, 2009 9:47 pm Post subject: Re: Rotax 582 Quit in the air :-(

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 ?

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Turbo_Boss

Joined: 14 Jul 2009
Posts: 10
Location: Panama Rep. of Panama - Central America

Posted: Wed Jul 15, 2009 2:47 pm Post subject: Re: Rotax 582 Quit in the air :-(

 	  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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kmccune

Joined: 22 Sep 2007
Posts: 577
Location: Wisconsin, USA

Posted: Sun Oct 04, 2009 5:14 am Post 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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lucien

Joined: 03 Jun 2007
Posts: 721
Location: santa fe, NM

Posted: Sun Oct 04, 2009 8:40 am Post 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 the 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

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Turbo_Boss

Joined: 14 Jul 2009
Posts: 10
Location: Panama Rep. of Panama - Central America

Posted: Sun Oct 04, 2009 5:20 pm Post 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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occom

Joined: 26 Aug 2006
Posts: 404

Posted: Mon Oct 05, 2009 3:16 am Post subject: Rotax 582 Quit in the air :-(

I notice surface corrosion on the "good" rod. It may be that a closer 

examination of the bearing will reveal that it too is not in great shape. 

The 582 suffers from corrosion because it can be totally open to the 

environment depending on how the rotary valve stops. I plug both carbs on 

mine. I hope it will prevent moisture getting in.

---

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