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btucke73(at)yahoo.com
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 Posted: Fri Nov 17, 2006 8:10 pm Post subject: N601XT gets airborne... A little... |
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Gents,
Thanks for the on and off list words of encouragement. I battled a few issues this morning, but finally got her more than 20' off the runway. First, the "never used" radio that I paid several hundred bucks for was not transmitting properly. I swapped it out with the $200 ebay radio, and was good to go. Then, I battled a carburetor issue for a couple hours with more taxi tests. I have a homemade mixture gage installed, so I could see that I was getting very lean at full throttle. I did not have quite enough movement on the mixture knob, leaning out at higher power settings with the knob at full rich. (The Aerocarb has a simple needle valve for mixture control, which varies at different power settings.) I got her airborne, but only to the downwind, as I was getting some excessively high oil temperatures. I climbed to pattern altitude, and just came around for landing. Using my laser temperature pointer, I found that the sender is off by quite a bit, and the oil temp was actually around 200 deg. If I can make it to the airport tomorrow, I will fix the probe issues and get some real testing done.
I don't have much to report on performance. I was only getting 2800 RPM on takeoff, yielding 800 - 1000 FPM on the Corvair with a Warp Drive set at 9.5 deg at the tip. I will probably drop down to 9 deg to try to get the RPMs up a bit. The chromoly rings don't have a lot of run-in time, so that is probably not helping much.
-Yup. It had a heavy left wing too...
-No pictures yet. I'll send some along when I get some.
R/
Brandon Tucker
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craig(at)craigandjean.com
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| Posted: Fri Nov 17, 2006 9:06 pm Post subject: N601XT gets airborne... A little... |
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Congratulations!
The "laser" thermometers are not terribly accurate either and also depend on the thermal emissivity of what you point them at. Although it may be impractical right now it would be better to calibrate the oil temp sender in a pan of hot oil on a stove with a good thermometer.
How did the Stratomaster perform?
-- Craig
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TxDave
Joined: 22 Jul 2006
Posts: 168
Location: Temple, TX
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| Posted: Fri Nov 17, 2006 11:50 pm Post subject: Re: N601XT gets airborne... A little... |
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Congratulations Brandon. Must have been a real thrill. Let us know how the oil temp issue turns out.
do not archive
Dave Clay
http://www.daves601xl.com
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