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Re: REFLECTOR: Lyco 540 probs
What is the prop arrangement?
regards,
James K. Glindemann
----------
> From: John Robarge <johnr@livingston.com>
> To: reflector@awpi.com
> Subject: REFLECTOR: Lyco 540 probs
> Date: Wednesday, September 23, 1998 4:34 AM
>
>
>
> I have a consistent problem with the Lyco 540 installed in my XL. At low
> power settings, it surges from 600-1200rpm randomly and roughly with an
> apparent cycle of about a second. At high power, it runs great, very
smooth
> and all other indications normal. It has been suggested that it might be
> the close confines of the cowl not allowing the engine to cool properly.
I
> don't buy it because the guages say it is a cool as a cucumber. Others
say
> it is the mixture and I should get it re-calibrated. This might be, but
> adjusting the mixture has no effect. Still others say it might be the
> engine driven fuel pump, but again, the guages say I have excellent fuel
> pressure. The flow meter indicates very smooth flow at higher RPMs, but
at
> low RPMs the flow obviously changes with the surge. I can't tell if the
> flow change happens before the RPM change or the other way around.
>
> If anyone has experience with this problem or it's possible solution, I
> would really appreciate a repsonse.
>
> John Robarge
> 140JP
>