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Comanche Instruments and Avionics
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Topic starter
02/05/2020 11:58 pm
Radio Antenna
by George Kretschmann » Wed Jul 29, 2015 1:51 am
What is this antenna on the vertical fin? Not the one at the top but the ugly antenna sticking out from the fin?
Thanks George
https://www.dropbox.com/s/l75bi3ethbfhh ... 0.JPG?dl=0
Thanks George
https://www.dropbox.com/s/l75bi3ethbfhh ... 0.JPG?dl=0
1963 PA-30
- George Kretschmann
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- Location: Central Alabama
Re: Radio Antenna
by Kristin Winter » Wed Jul 29, 2015 3:12 am
You mean the "towel bar" antenna? That is, BTW, the colloquial term for the balanced loop VOR antenna. I am not sure why you have two VOR antennas. Normally a splitter is used so that both nav radios connect to the same antenna. The Towel Bar is electronically superior to the cats whisper, but, as you noted, is not very good looking.
Kristin
Kristin Winter- ICS member
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Re: Radio Antenna
by George Kretschmann » Wed Jul 29, 2015 10:47 pm
Thanks Kristin, That's kind of what I thought, George
1963 PA-30
- George Kretschmann
- Posts: 148
- Joined: Fri Aug 24, 2012 12:27 am
- Location: Central Alabama
Re: Radio Antenna
by Clarence Beintema » Mon Aug 10, 2015 8:19 pm
That is a redundant drag amplifier, aka a towel bar VOR/GS antenna. As Krisitin mentioned, you seem to have two, the cat whiskers at the top and the towel bar.
Many high speed aircraft use blade versions of this antenna.
Clarence
- Clarence Beintema
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