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New Radiator for the FireFly

 
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jbhart(at)onlyinternet.ne
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PostPosted: Sun Mar 01, 2009 8:03 pm    Post subject: New Radiator for the FireFly Reply with quote

Kolbers,

Winter is a good time to work on the FireFly. Added a static pressure tap
to the Bing inlet. And while I was at it, I removed the boss on the back of
the carburetor that mounted the original choker. Saved a little weight.

I worked up a new radiator, that should have a better cooling capacity, which
will let me run the engine harder on climb out during the summer. Also it
should give a substantial weight saving over what I have been using. The
whole works including radiator, mount, dam, and shutter weigh one pound 12.2
ounces. If you would like to see it, it can be found at:

http://www.thirdshift.com/jack/firefly/firefly149.html

I will not mount it until I can measure the static air pressure drop across
the current radiator. Also, I have to make some new plumbing to connect the
engine to the radiator. So tomorrow I will start filling aluminum tubing
with sand and attempt to form new plumbing.

I may not be able to fly, but I can continue to visit and to work on the
FireFly. Come On Spring!

Jack B. Hart FF004
Winchester, IN


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