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Further adventures in flutter

 
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jindoguy(at)gmail.com
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PostPosted: Thu Apr 06, 2006 5:36 pm    Post subject: Further adventures in flutter Reply with quote

First, thanks to all of you who replied to my request for info.
As of tonight the flap bell cranks have been rotated to their correct, per
plans location and reattached. There is now almost three inches clearance
between them and the prop. The pushrods for the flaps have been shortened to
accomodate the new bell crank location. The aileron counter balances have
been installed. All that is left is to install the pushrods, adjust their
length, and go do a test flight.
I believe the Warp Drive prop will be fine for a test flight but after that
it has to go. Interesting that for $30 more than the cost of three new
blades and a protractor to set them, I can get a complete new prop. The old
one will go to eBay for any airboat drivers who'd like a deal. For those of
you who asked, I do not consider the prop airworthy for anything but testing
and I won't allow it to go on another aircraft. If it doesn't sell on eBay,
it'll make a nice conversation piece for the hangar wall.
The local electric company says they'll have the power on in my shop space
real soon now. Once my Bridgeport and engine lathe are back up and running,
I'll tackle the the engine mounting system, clean up the muffler mount
design and get everything back per plans.
The fun never stops..............

--
Rick Girard
"Pining for a home on the Range"


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jindoguy(at)gmail.com
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PostPosted: Mon Apr 10, 2006 1:32 pm    Post subject: Further adventures in flutter Reply with quote

My friend, Dave, and I finished up the mods to my Mark III on Thursday,
last. The new, per plans, location of the flap bell cranks gives 3.5" of
clearance to the propeller blades.
Saturday, after changing spark plugs in the 582, I took off to see what the
counter balances did for the ailerons. I advanced the speed by five mile per
hour increments until I was at red line air speed and the ailerons were
happy to stay still. I did not try to excite the ailerons back into a
flutter mode, that will wait for another day. I was just happy to fly and
enjoy the aircraft. Doubled my flight time in the aircraft in one flight.
Thanks again to all who gave suggestions and recommendations.

--
Rick Girard
"Pining for a home on the Range"


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