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Old 08-12-2011, 08:28 AM
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N941WR N941WR is online now
Join Date: Jan 2005
Location: SC
Posts: 12,060

Originally Posted by AltonD View Post
Doesn't a light prop move the CG towards the rear?
You are correct, except his title states, "320 engine mount with 360...". Thus the longer engine mount and heavier engine with a light prop might just work out fine.

I'm not sure what the length difference between the 320 and 360 mounts are but I do know the mount I had with the 290 was 12" from the firewall. The mount I now have with the 360 is only 10" from the firewall.

Granted my -9 is different than the -7 but the O-360 and Catto prop with the 10" mount work out great!
Bill R.
RV-9 (Yes, it's a dragon tail)
O-360 w/ dual P-mags
Build the plane you want, not the plane others want you to build!
SC86 - Easley, SC
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