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grahamsingleton(at)btinte
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 Posted: Fri Dec 12, 2008 8:03 am Post subject: re - Rough 912 UL Engine Operation when Pneumatically |
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Roger Lee wrote:
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Sorry for the misunderstanding. I was just trying to be more clear and I guess I muddied up the water. Forget I used the word lean out as that usually pertains to adjusting the jets or needles.
Just move the carb throttle lever or bowden cable so it gets less fuel. The vacuum guage with the lower vacuum number is getting more fuel (pulling less vacuum).
Roger
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Moving the throttle lever doesn't alter the mixture, lower vacuum means
more air as well as more fuel. Mixture should be constant. Just my two
cents of clarification to add
Graham
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Roger Lee
Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.
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| Posted: Fri Dec 12, 2008 10:19 am Post subject: Re: re - Rough 912 UL Engine Operation when Pneumatically |
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Hi Graham,
Yeah, sorry about that. I did muddy the waters when I made a comment about mixture and lean. I should have explained it differently. I thought it would be more clear, but was just the opposite.
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_________________
Roger Lee
Tucson, Az.
Rotax Instructor & Rotax IRC
Light Sport Repairman
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056 |
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grahamsingleton(at)btinte
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| Posted: Sat Dec 13, 2008 1:41 am Post subject: re - Rough 912 UL Engine Operation when Pneumatically |
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Roger Lee wrote:
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Hi Graham,
Yeah, sorry about that. I did muddy the waters when I made a comment about mixture and lean. I should have explained it differently. I thought it would be more clear, but was just the opposite.
--------
Roger Lee
Tucson, Az.
Hi Roger
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no problem, easy to assume everyone understands when its second nature
to you,
Graham
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