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Rotax 582 high EGT

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canpilot03(at)yahoo.ca
Guest

Posted: Fri Mar 24, 2006 8:57 am Post subject: Rotax 582 high EGT

Hi all!,

   

   Recently I had the EGT,s on my 582 spike up to 1300 +deg. I immediatly throttled back  from cruise (5800) and they came down ,as they should! OAT was about 35 deg. Upon landing and removing the cowlings I noticed the exhaust manifold was leaking a bit and I tightened the bolts! I started to check all kinds of stuff and found the carb sockets were a bit weather checked! Could either of these cause high EGT,s ? Can any of you 582ers suggest other things I should check? 

    Thanks 

                                     Gil Levesque 

                                     C-IGVL



		

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Aerobatics(at)aol.com
Guest

Posted: Fri Mar 24, 2006 10:08 am Post subject: Rotax 582 high EGT

In a message dated 3/24/2006 10:58:40 A.M. Central Standard Time,  

canpilot03(at)yahoo.ca writes:

Hi  all!,



Recently I had the EGT,s on my 582  spike up to 1300 +deg. I immediatly 

throttled back  from cruise (5800)  and they came down ,as they should! OAT was 

about 35 deg. Upon landing and  removing the cowlings I noticed the exhaust 

manifold was leaking a bit and I  tightened the bolts! I started to check all kinds 

of stuff and found the carb  sockets were a bit weather checked! Could either 

of these cause high EGT,s ?  Can any of you 582ers suggest other things I 

should check? 

Thanks 

Gil  Levesque 

C-IGVL

The colder the weather the higher the EGT.....  if there is ANY leak  in the 

carb socket it will run leaner.... very bad.   Personally I  dont think a 

small exhaust leak can cause you high egt, but could be  wrong.  But any exhaust 

leak is also bad...  Its common to raise the  needle in winter, lower in 

summer...

 

Dave  

 

KF 2  582 BH  280 hours

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aerocontrols(at)clearwave
Guest

Posted: Fri Mar 24, 2006 10:32 am Post subject: Rotax 582 high EGT

Gil,

Need a bit more info....



What type of instrumentation do you have.... Analog, Digital etc?

Unless your intake sockets are cracked all the way through they would not

cause the spike in EGT

(they should be replaced though)....

The Exhaust leak also should not cause the problem unless it was "really"

loose.

Did the EGT consistently spike when you returned to cruise rpm?

Did this happen on both cylinders or only one?

What is your normal EGT at cruise?

What is your peak RPM on take-off?

It could be as simple as some water in the fuel or carb ice. or......?



Let me know....

regards

Bob Robertson

Light Engine Services Ltd.

Rotax Service Center

Aero Control Enterprises, Inc.

St. Albert, Ab. T8N 1M8

Ph: (Tech Support) 1-780-418-4164

Ph: (Order Line) 1-866-418-4164 (TOLL FREE)

www.rtx-av-engines.ca

www.aerocontrols.net





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jeburke94je(at)direcway.c
Guest

Posted: Fri Mar 24, 2006 3:28 pm Post subject: Rotax 582 high EGT

Gil, I had the same problem last summer. It would only happen on one carb. 

and it would not happen on every flight. I had new carb. sockets, it was 

jetted for the season and would fly normal (1100 deg) until it spiked. I 

finely changed the float needle and adjusted the floats. Bingo the problem 

has not returned. I now believe one of the float needles had stuck on 

occasion, causing the fuel level in that carb. to run low. that making the 

carb. run lean. Just something you may want to look at.



Jim,N94JE

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