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1. 11:26 PM - Cowling Update (teamgrumman@aol.com)
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For those following the saga, I'm installing the first production
cowling.
Fitting the cowling, initally, took about 30 hours.
Cutting and fitting the baffles has taken about 80 hours so far.
- The two biggest headaches are the left rear corn baffles. I will be
having them made int he futre instead of modifying RV-6 baffles. Van's
F*#ked up when he designed the left ear corner. It could be done a lot
easier. The baffle behind #3 needs to have s duct installed to get the
air around the back of the cylinder. Van's baffle sits right against
it and blocks the air flow around the back. No way around that without
resorting the the horribly designed Grumman baffles. At least they
have a duct to get air around the back. Then, installing a 4 inch
flanged aluminum duct from an AG5B next to it get interesting. Now
Iknow why it took a month toinstall my baffle on the first cowling.
Next step is to fine tune the heights of the baffles. I had my
fabricator add 1/8 inch foam sandwich to the underside of the upper to
make it stiffer. That worked, it just makes fitting the baffles
different from mine.
I'm making up the installation instructions as I go. It would be nice
if a couple more brave souls would buy into the first phase so I can
fine tune the installation instructions. As with the first production
cowling, I'll fit the cowling for free. I just need to get the details
on the baffles sorted out now.
Gary
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