RCU Forums - settings problems?

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- - settings problems? (https://www.rcuniverse.com/forum/mvvs-support-322/3930225-settings-problems.html)

ampa	02-19-2006 08:29 AM

settings problems?

Today I staretd my mvvs 26 gas: after about 45 minutes of break-in I tryed to open to full trottle(propeller meijnik 18/8) but after 5500 rpm the engine dyes. Hig screw too lean? I used to feed the engine a bottle near the model with a tube to the carb.

ampa	02-19-2006 08:31 AM

RE: settings problems?

forgot to say that I did not change the facory settigs on carb

pe reivers

02-19-2006 09:08 AM

RE: settings problems?

Paolo, look here for [link=http://www.prme.nl/forum/viewtopic.php?t=10]complete setting of the walbro carb[/link].
Also check the filter inside the carb, and clean it. You can see it when you remove the cast carb cover (1 screw only)

ampa	02-22-2006 03:16 AM

RE: settings problems?

thanks for the answer:how can I know if the engine is rich or lean, if opening the trottle after 5500 rpm the engine tend to stop that means that is lean? if I can fully open the trottle and can't get 8000 rpm(18/8 prop and stock pipe) it means that is rich?

pe reivers

02-22-2006 08:28 AM

RE: settings problems?

It depends,
if the situation improves with the needle more open, it was lean, and vice versa.
Just move the needle, and find the best rpm. Then open a bit more so you are sure the engine will not be running lean. That will be the most powerful setting, and the rpm you get will be what you get.

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