General control line discussion > Open Forum
Cox .049 needle setting?
(1/1)
Paul Taylor:
I think I have been setting the needles wrong on Cox engines.
I start them up and then turn the needle until the engine is at it's highest RPM. Then let it go. Should I not back it off a few clicks?
What is the best way?
Thanks
Phil Coopy:
Back the needle off about 1/8 of a turn from highest RPM unless you are racing and wanna buy a lot of engines.
john e. holliday:
The only way I can get a decent needle on them 1/2A's is trial and error. The best setting is when the engine runs a slightly rich two stroke and leans out for the last couple of laps. DOC Holliday
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