Brodhead Pietenpol Association

Original Posted By: Rcaprd(at)aol.com
Subject: Pietenpol-List: Re: Pietenpol-List Digest: 11 Msgs - 08/21/00For the members of this list that responded to me and the questions I had about the GN Aircamper, WT & Bal. I'm pleased to tell you that I flew the plane this morning, with the CG at 20 inches and it went just fine. The jury is still out of course on the complete envelope but, so far so good.thanks for the input....more laterJoe Gauthier________________________________________________________________________________

Original Posted By: "John McNarry"
Subject: Re: Pietenpol-List: Jury Struts In a message dated 8/22/00 11:21:01 AM Central Daylight Time, Michael.D.Cuy(at)lerc.nasa.gov writes:>Ah yes...Harmonics at work !!________________________________________________________________________________

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Congradulations Joe! Looking forward to the numbers, yours, and the ones on the runway underthe nose of our own aircrafts' first flight.Many Happy Landings,John Mc----- Original Message -----

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Flew once in a Stearman, 220 Continental power. It was placarded againstrunning for extended times at 1700 rpm. The explanation was that the enginepower impulses and the prop blade length at 1700 rpm set up a harmonicvibration that not only shook the prop but could be felt in the wholeairframe. Brings a whole new bunch of answers and questions to the thefriendly greeting "What's Shakin' "John Mc----- Original Message -----