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Hi,

I have looked and asked around and have yet to find a person that tells me they run their needles on a different setting than the middle one (third position) on their carburators.

I am flying mostly (80%) out of a filed at 6,000ft elevation. Of course I will visit the beaches and lower elevation areas, but the base airport is at 6,000.

Would this merit using any other setting rather than the third?
What can I expect if I change the setting to a leaner one? More power? Hotter temps?

Thanks

Fredy
  • Re: WHEN TO USE OTHER NEEDLE SETTING ON CARB

    by » 6 years ago


    Hi Fredy,

    If you flew out of that 6K ft. airport and stayed above that all the time then going to the #2 position wouldn't be an issue. I would be vigilant about doing so going down to sea level especially on a cold morning. If just the right conditions arose you could be on the lean side. Prop pitch will play a big factor in sea level vs high altitude flying.

    p.s.
    You could just leave it on the #3 clip position and it will still run fine to your higher altitudes.

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell


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