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Old 03-21-2017, 01:00 PM
dahugo dahugo is offline
Join Date: Jul 2008
Location: Shreveport, LA
Posts: 46
Default NMO and 1/4 wave on Aircraft

Have RV6 I'm helping a buddy with. Installing APRS. Any of you used an NMO mount and a 1/4 wave on an aircraft? Thinking of installing on belly and about half way up the whip (or down, as the case may be) bending it at a 45 degree angle.

I've seen NMO's mounted on CAP aircraft for their VHF FM radios--cannot think why it would NOT work except for excessive speed that may cause the whip to bend back against the skin--but need input please.

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Old 03-21-2017, 04:09 PM
Sam Buchanan's Avatar
Sam Buchanan Sam Buchanan is offline
been here awhile
Join Date: Dec 2004
Location: North Alabama
Posts: 3,860

I've been flying a 1/4 wave AV-14 Rami commercial band antenna on the belly of my RV-6 for several years. It is a fine performer with the Byonics RTG tracker. However, it doesn't use the NMO mount. I considered one of the small blade NMO antennas but never got around to trying one.

I started out with a home-made 1/4 wave whip made from 1/8" stainless welding rod and never had an issue with it flexing in the slipstream.

Sam Buchanan
1999 RV-6
1918 Fokker D.VII replica

Last edited by Sam Buchanan : 03-21-2017 at 04:19 PM.
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