Guys just want to clear things about what I read in the tuning section..

If you turn the airscrew clockwise will it richen the mixture or make it lean?

pls expain this clearly becuase from what I understood, if you open the airscrew ( counterclockwise ) it will make it the mixture richer.. is that correct?

Airscrew Counterclockwise = Lean

thanks matt!

one more thing, my 18 will rev smooth up to 5 thou then kinda struggle between 5 thousand RPM to 6 Thousand but past 6 thou it all the way to the redline.. what could have caused this?

hey dude my too! i thought it was a jetting dead soon from rc open and rc closed.
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czsphl wrote:thanks matt!

one more thing, my 18 will rev smooth up to 5 thou then kinda struggle between 5 thousand RPM to 6 Thousand but past 6 thou it all the way to the redline.. what could have caused this?

Thats how they are.
The cure for that -dont let the rev's drop down that low
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They shouldn't be like that. If it's happening on WOT the it might be a size too rich on the main.