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447 EGT

in 2 Stroke Technical Questions 13 years ago
Running the break in on new 447 and after the 5 minutes at 3500 as I run up to 5000 for the 1 minute the rear EGT goes over the 1150 set and the warning on the EIS comes on. I'm in Ohio and it is muggy and about 80-85 degrees. Will it do better this evening? The front cylinder is 100-120- degrees cooler. Single Bing 54. I blocked up the rear of the plane so that the engine is reasonably level------------rick

  • Re: 447 EGT

    by » 13 years ago

    Rotax quote 1200f max so you still in limits with the hotter side....I suppose its running on between the needle and the main jet at 5000....

    Are the EGT senders new as well and are they even at lower RPMs.

    Nick.
      
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  • Re: 447 EGT

    by » 13 years ago

    Nick, everything is new. I raised the needle one notch and got it to stay cool enough to get the beak in run complete. Afterwords I taxied around the yard and everything stayed within limit all the time. Suspicion it just needed more air moving---------------rick
      
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  • Re: 447 EGT

    by » 13 years ago

    Sounds good....nerve racking time the run in dont you think....I bought a brand new 503 last year...and went through the same as you....good luck with...let us know how you go on.

    Nick.
      
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