X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from fmailhost01.isp.att.net ([207.115.11.51] verified) by logan.com (CommuniGate Pro SMTP 5.2.3) with ESMTP id 2973211 for flyrotary@lancaironline.net; Wed, 18 Jun 2008 09:55:25 -0400 Received-SPF: pass receiver=logan.com; client-ip=207.115.11.51; envelope-from=bbradburry@bellsouth.net Received: from desktop (adsl-146-122-188.mco.bellsouth.net[72.146.122.188]) by isp.att.net (frfwmhc01) with SMTP id <20080618135447H0100mko22e>; Wed, 18 Jun 2008 13:54:47 +0000 X-Originating-IP: [72.146.122.188] From: "Bill Bradburry" To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Engine offset Date: Wed, 18 Jun 2008 09:54:46 -0400 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0028_01C8D129.57AA6BF0" X-Mailer: Microsoft Office Outlook 11 Thread-Index: AcjQzfgjdWlcXeM7SiOuhyTgpXd5sQAfCbUQ X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6001.18000 This is a multi-part message in MIME format. ------=_NextPart_000_0028_01C8D129.57AA6BF0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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. I am building a Lancair and have absolutely no idea when discussing RVs. :>) Bill B _____ 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. RV8 Renesis RX8 RD1C Thought it would be best to confirm now prior to welding. Thanks Greg ------=_NextPart_000_0028_01C8D129.57AA6BF0 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

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.

 

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

 

Bill B 

 

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.

 

RV8

Renesis RX8

RD1C

 

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

 

Thanks

Greg

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