X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fed1rmmtao02.cox.net ([68.230.241.37] verified) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTP id 1009531 for flyrotary@lancaironline.net; Tue, 21 Jun 2005 18:12:56 -0400 Received-SPF: none receiver=logan.com; client-ip=68.230.241.37; envelope-from=ALVentures@cox.net Received: from BigAl ([68.7.14.39]) by fed1rmmtao02.cox.net (InterMail vM.6.01.04.00 201-2131-118-20041027) with ESMTP id <20050621221200.IKED22430.fed1rmmtao02.cox.net@BigAl> for ; Tue, 21 Jun 2005 18:12:00 -0400 From: "Al Gietzen" To: "'Rotary motors in aircraft'" Subject: RE: [FlyRotary] Re: Prop balancing Date: Tue, 21 Jun 2005 15:12:13 -0700 Message-ID: <000001c576ae$472aedf0$6400a8c0@BigAl> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C57673.9ACC15F0" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C57673.9ACC15F0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit What G-force and frequency range are we talking about? See attached chart of acceleration limits. Inches/second (ips) is a velocity, apparently max velocity of the movement. How does one convert to G's which is typical accelerometer rating. I guess you have to know the frequency. Or maybe Rusty has purchased the professional equipment by now and wants to rent it out :-). but I can certainly offer a reasonably priced balance job if you bring your airplane to 2R4. Send all your experimental Lycoming friends too, since those are simple :-) Oh; it's only 2000 nm. Me and my friends'll be right over :-). Al ------=_NextPart_000_0001_01C57673.9ACC15F0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Message

 

What G-force and = frequency range are we talking about? 

 

See attached chart of acceleration limits. 

 

Inches/second (ips) is a = velocity, apparently max velocity of the movement.  How does one convert to G’s = which is typical accelerometer rating.  I guess you have to know the = frequency.

 

  = Or maybe Rusty has purchased the professional equipment by now and wants to rent = it out J. 

 

but I can = certainly offer a reasonably priced balance job if you bring your airplane to 2R4.  = Send all your experimental Lycoming friends too, since those are = simple :-)

 

Oh; it’s only 2000 = nm.  Me and my friends’ll be right over J.

 

Al

 

 

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