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jridgway
Joined: 12 Dec 2008
Posts: 64
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 Posted: Mon Mar 29, 2010 3:43 pm Post subject: rotax 582 idle RPM setting |
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I am currently idling about 2000 rpm on a cold engine. It works it way up to 2400/2500 after the engine warms up. This is really more than I want on the landing flare. How hard is it to reduce the idle setting on the dual carbs without messing with the jets or getting the carbs out of sync. Engine is running perfect otherwise and I hate to screw things up.
Jack
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Tom Jones
Joined: 12 Mar 2006
Posts: 752
Location: Ellensburg, WA
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| Posted: Tue Mar 30, 2010 5:36 am Post subject: Re: rotax 582 idle RPM setting |
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| jridgway wrote: | I am currently idling about 2000 rpm on a cold engine. It works it way up to 2400/2500 after the engine warms up. This is really more than I want on the landing flare. How hard is it to reduce the idle setting on the dual carbs without messing with the jets or getting the carbs out of sync. Engine is running perfect otherwise and I hate to screw things up.
Jack |
It's easy. On each carb make a mental note or pencil or sharpy mark on the carb next to where the screw driver slot on the idle screw is now. Then turn the idle screw out a quarter turn on each carb and try it.
You probably don't need to go more than one turn to get where you want. just remember if you do so you can get the adjustments back to where they are now if it gets screwed up.
The gear box may chatter at a lower idle when it is cold so always increase the throttle to where it smooths out. Also increase the throttle to where it smooths out after you touch down with it at the new lower idle setting.
Only way to learn is jump in and try it. Good to know how to adjust the carbs.
Hrere's a link to the bing carb tuning instructions.
http://www.800-airwolf.com/pdffiles/ARTICLES/part10.pdf
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_________________
Tom Jones
Classic IV
503 Rotax, 72 inch Two blade Warp
Ellensburg, WA |
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jridgway
Joined: 12 Dec 2008
Posts: 64
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| Posted: Tue Mar 30, 2010 6:12 pm Post subject: Re: rotax 582 idle RPM setting |
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thanks...
try it in the morning...
Jack
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jridgway
Joined: 12 Dec 2008
Posts: 64
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| Posted: Thu Apr 01, 2010 3:34 am Post subject: Re: rotax 582 idle RPM setting |
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worked great...
got idle down to 2000...
glad I tried it...
thanks...jack
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