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Chris
I have the James rotary cowl also for my RV-9A with
13B engine. I saw Ben Schneider's RV-7 at Pontiac Illinois on the way to OSH in
2007. He is using the Renesis engine, James rotary cowl, CATTO prop and the
UHS 13.5 inch spinner kit which appears to give a good match with the
cowl. The kit is P/N 05-09800 for $215.95 on page 179 in the 08-09
Aircraft Spruce catalog.
Dean Van Winkle
Slooow build RV-9A, 13B, RD-1B. EC2. EM2, Mistral
Intake
----- Original Message -----
Sent: Wednesday, January 07, 2009 8:12
AM
Subject: [FlyRotary] Spinner size
I have the James rotary cowl--front “face” has a 13.75”
diameter. I also have the Vans 13” spinner that is already cut to fit my
CATTO prop. This leaves about a 3/8 lip of cowl showing all the way
around the spinner. Take a look at the picture.
I know any amount of lip will cause drag, but is this
enough to warrant a new spinner? UHS makes a 14” one that would
probably do the trick.
Chris
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