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enya 25 help

Old 06-28-2016, 05:44 AM
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Default enya 25 help

i have a NIB enya 25 runs great at low end but at high RPM not so good,,its high end and dies out,,not new to nitro to say the least but this ones got me going,,,running a os3 plug,,tryed os8,os6 but about the same....fuel is 10% .......and new...prop is 9/ it that is still new,,,have never had a
Old 06-28-2016, 06:33 AM
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If it seems tight, maybe it just needs more break in time? I had/have an old worn out .19 that did that too. It would just cut out at full throttle. Never did figure that one out. I was going to play with shims and stuff, but did not think it was worth the effort. Yours is new though.
Old 06-28-2016, 07:01 AM
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Being new would probably make it more sensitive at high speed . I would run a smaller prop for a while and see if that helps. Good luck with it.
Old 06-29-2016, 07:05 AM
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If it has a cast iron piston then those Enyas often needed a lot of running in. It would be worth checking and replacing the conrod too if there was any wear at the end of the break in.
Old 06-30-2016, 09:22 AM
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Your engine has an iron piston /cylinder and as such need longer running in time (running rich with throttle drum fully open) than "modern" ABN/ABN/AAC engines.
It's also vital that you adjust the high speed needle a little rich the first 5-7 flights, holding the nose of the plane straight up when adjusting the engine. A minimum of 20% castor oil is good to use and some nitro (5-10%).
Old 07-07-2016, 06:17 PM
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I would have to agree, more oil and caster. maybe a smaller prop for less load just for break-in.

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