X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail4.qnetau.com ([202.146.213.1] verified) by logan.com (CommuniGate Pro SMTP 5.2.4) with ESMTP id 2999973 for flyrotary@lancaironline.net; Tue, 01 Jul 2008 18:02:27 -0400 Received-SPF: none receiver=logan.com; client-ip=202.146.213.1; envelope-from=greg@itmack.com Received: (qmail 92318 invoked by uid 399); 1 Jul 2008 22:01:38 -0000 Received: from c122-108-222-151.rochd4.qld.optusnet.com.au (HELO NOTEBOOK) (122.108.222.151) by mail4.qnetau.com with ESMTPM; 1 Jul 2008 22:01:38 -0000 X-Originating-IP: 122.108.222.151 Message-ID: <004701c8dbc6$0873bf30$6700a8c0@NOTEBOOK> From: "Greg" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Engine offset Date: Wed, 2 Jul 2008 08:01:36 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0044_01C8DC19.D9EB51B0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3028 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 X-Antivirus: avast! (VPS 080330-0, 30/03/2008), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0044_01C8DC19.D9EB51B0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thanks Bill, I read the drawings again and they reflect what you say. = Don't know how I got it so wrong but you saved me from probably a = disastrous mistake. Greg My understanding is that when putting in an offset, you put the center = of the prop on the thrust line and change the thrust line of the engine = to match the offset. So you would get an offset of the rear of the = engine 0.75" to the left in this case. =20 I am building a Lancair and have absolutely no idea when discussing = RVs. :>) =20 Bill B=20 =20 -------------------------------------------------------------------------= ----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] = On Behalf Of Greg Sent: Tuesday, June 17, 2008 7:02 PM To: Rotary motors in aircraft Subject: [FlyRotary] Engine offset Hi, I'm making my engine mount and I just want to be doubly sure I'm = getting this right. The engine offset as I understand is 0.75" to the = right of centre as seen by the pilot for the following setup. =20 RV8 Renesis RX8 RD1C =20 Thought it would be best to confirm now prior to welding. =20 Thanks=20 Greg ------=_NextPart_000_0044_01C8DC19.D9EB51B0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Thanks Bill, I read the drawings = again and=20 they reflect what you say. Don't know how I got it so wrong but = you saved=20 me from probably a disastrous mistake.

Greg

My understanding is that when putting in an = offset,=20 you put the center of the prop on the thrust line and change the = thrust line=20 of the engine to match the offset. So you would get an offset of = the=20 rear of the engine 0.75=94 to the left in this=20 case.

I am building a Lancair and have absolutely = no idea=20 when discussing RVs. :>)

Bill = B

From:=20 Rotary motors in aircraft = [mailto:flyrotary@lancaironline.net] On=20 Behalf Of Greg
Sent: Tuesday, June 17, 2008 = 7:02=20 PM
To: = Rotary motors in aircraft
Subject: [FlyRotary] Engine=20 offset

Hi, I'm making my engine = mount and=20 I just want to be doubly sure I'm getting this right. The = engine=20 offset as I understand is 0.75" to the right of centre as seen by the = pilot=20 for the following setup.

RV8

Renesis=20 RX8

RD1C

Thought it would be best = to=20 confirm now prior to welding.

Thanks=20

Greg

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