Mailing List flyrotary@lancaironline.net Message #44918
From: Tracy Crook <tracy@rotaryaviation.com>
Sender: <rwstracy@gmail.com>
Subject: Re: [FlyRotary] firewall to prop flange
Date: Sun, 25 Jan 2009 15:08:29 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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My RV-4 is around 39" too.   I doubt CG will be a problem since the engine / redrive CG is probably near the same point as a Lycoming.  Think of the drive as a long prop extension that has little effect on aircraft CG.

Tracy

On Sun, Jan 25, 2009 at 2:47 PM, kevin lane <n3773@comcast.net> wrote:
after mounting my psru to my renesis engine and onto my klepis mount I measure 39" from flange to firewall.  my existing -6A w/ O-320 measures approx. 33".  in the back of my mind I remembered 4-5" difference, not 6".   I assumed that all the geometry had been calculated when I ordered the engine mount.  I currently have 5" between the water pump pulley and the firewall, which is wonderful, but, I don't want my battery(s) in the tail either.  am I going to get into weight/balance issues?  what dims do other RV's have?     kevin

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