The web site, www.liftreserve.com, has a considerable amount of information
including 7 articles from magazines and reports as well as many other pages
of info(see the bottom of the web site page). Additionally, I called the
number listed on the site, though some time ago, and got other helpful
installation info. I have since installed the LRI.
Bill McClellan
A164
----- Original Message -----
From: "Fred Fillinger" <fillinger@ameritech.net>
Subject: Re: Angle of Attack indicators
> Jan de Jong wrote:
> >
> > >From the description I gather that the LRI does not show angle margin
above
> > stall AoA but lift margin above 1 G lift at the calibration aircraft
mass. That
> > would make it useful in the steady bleading off of energy in landings
but not
> > as a warning for stalls at any acceleration and aircraft mass. For that
you
> > would need an AoA measurement or, less expensive, a stall warning device
that
> > acts as an AoA switch.
> > My 2 cents.
>
> LRI's web site contains only an excerpt from a June '84 Aviation
> Consumer article. The complete article, which in many parts is not
> complimentary to the original inventor (was rather of a character),
> has better info. It discusses testing by Roy Lopresti and Aviation
> Consumer, a no-advertising magazine. They both claim it does give you
> margin above stall, at various weights, G-loaded flight, and
> airspeeds. While apparently not exact AoA measurement, the testing
> showed any "AoA error" - re G-loaded flight and higher airspeeds -
> were on the safe side and therefore does what you want it to do.
>
> I can't argue its merits relative to any other, but point out there's
> missing but pertinent magazine article content that they just can't
> quote!
>
> Regards,
> Fred F.
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