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Re: Perils of checking static RPM

Subject: Re: Perils of checking static RPM
From: Mark Burton <markb@ordern.com>
Date: Sat, 16 Mar 2002 12:12:18

From: "david joyce" <davidjoyce@beeb.net>
Subject:  Perils of checking static RPM
Date: Sat, 16 Mar 2002 09:13:55 -0000

> I mention it because Sod's law says there will be at least one more
> person out there equally naive who is shaping up to doing a similar
> thing ...

That's me. The day before yesterday, I was ground testing a Constant
Speed Controller that I have developed for my PV-50 and guess what
happened when I gave it the gun in fine pitch? Even with two people on
board the tail lifted. Fortunately, I was quick enough to shut the
throttle before I remodelled the prop. At the time, I assumed it was
the 20 kt gusty wind that was to blame but it seems not, just
stupidity.

Mark


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