Roger Mills wrote:
>
> Just a small correction - there WILL be SOME lag with whatever tubing
> you use - all I can say is that I was unable to detect any difference
> when I blew gently across the end of the supplied tubing connected to
> the ASI compared with an equal length of 1/8" bore nylon tubing -
> obviously try it and ask your inspector before committing to a change!
> Regards
> Roger Mills
>
Actually you want "lag" in the system. Many airspeed indicators have
a metering setup, adjustable via a tiny screw accessible through the
pitot connection. If not correctly adjusted, the symptom is the
needle waggles when low and slow in turbulence. Thus 1/8" ID plumbing
should work fine, though maybe more susceptible to clogging.
Regards,
Fred F., N3EU
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