Return-Path: Received: from mtiwmhc12.worldnet.att.net ([204.127.131.116] verified) by logan.com (CommuniGate Pro SMTP 4.2b8) with ESMTP id 321288 for flyrotary@lancaironline.net; Wed, 14 Jul 2004 12:39:09 -0400 Received-SPF: error receiver=logan.com; client-ip=204.127.131.116; envelope-from=keltro@att.net Received: from 204.127.135.29 ([204.127.135.29]) by worldnet.att.net (mtiwmhc12) with SMTP id <20040714163825112006da7me>; Wed, 14 Jul 2004 16:38:25 +0000 Received: from [209.247.222.105] by 204.127.135.29; Wed, 14 Jul 2004 16:38:36 +0000 From: keltro@att.net To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: Prop Balancing Date: Wed, 14 Jul 2004 16:38:36 +0000 Message-Id: <071420041638.10412.40F5618B000D3809000028AC2160375964019D9B040A05@att.net> X-Mailer: AT&T Message Center Version 1 (Jun 27 2004) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_10412_1089823116_0" --NextPart_Webmail_9m3u9jl4l_10412_1089823116_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit Ernest, I would be interested in just how this thing is fabricated. By any chance do you know where this tidbit of info comes from? Kelly Troyer -- Dyke Delta/13B/RD1C/EC2 -------------- Original message from echristley@nc.rr.com: -------------- > I read somewhere not to long ago about a $2 device > that has a small plate holding a flat spring > (hacksaw blade) with a small weight on the end (a > nut and bolt). The plate sticks to the panel or > otherwise mounted solidly to the AC, and the spring > hangs straight down. With the engine running at > cruise RPM, the weight is slid up or down to > maximize its vibration, at which point it is in > sympathetic vibration with the rest of the airplane. > > The prop is then balanced by spraying a little > matching paint or clear coat one of the prop tips. > Just a dab will do ya', was the articles message. > Start the engine back up and if the vibration > increases, spray the other blade. > > Sounds like one of those things that would be > tedious at first, but quick and easy once you have > the routine down. > > > > >> Homepage: http://www.flyrotary.com/ > >> Archive: http://lancaironline.net/lists/flyrotary/List.html --NextPart_Webmail_9m3u9jl4l_10412_1089823116_0 Content-Type: text/html Content-Transfer-Encoding: 8bit

Ernest,

I would be interested in just how this thing is fabricated. By any chance do

you know where this tidbit of info comes from?

Kelly Troyer

--
Dyke Delta/13B/RD1C/EC2

-------------- Original message from echristley@nc.rr.com: --------------

> I read somewhere not to long ago about a $2 device
> that has a small plate holding a flat spring
> (hacksaw blade) with a small weight on the end (a
> nut and bolt). The plate sticks to the panel or
> otherwise mounted solidly to the AC, and the spring
> hangs straight down. With the engine running at
> cruise RPM, the weight is slid up or down to
> maximize its vibration, at which point it is in
> sympathetic vibration with the rest of the airplane.
>
> The prop is then balanced by spraying a little
> matching paint or clear coat one of the prop tips.
> Just a dab will do ya', was the articles message.
> Start the engine back up and if the vibration
> increases, spray the other blade.
>
> Sounds like one of those things that would be
> tedious at first, but quick and easy once you have
> the routine down.
>
>
>
> >> Homepage: http://www.flyrotary.com/
> >> Archive: http://lancaironline.net/lists/flyrotary/List.html

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