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  #21  
Old 08-25-2021, 08:38 PM
raabs raabs is offline
 
Join Date: Apr 2017
Location: Clermont, FL
Posts: 102
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Digging this old thread up since Daves pics are missing.

The XM and GTN650 pucks don't seem to fit in my Aerosport overhead. The space, with 90s is about 7/16" too shallow.

Has anybody fit these in somehow? Pictures appreciated.
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RV-10 Under Construction
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  #22  
Old 08-25-2021, 08:51 PM
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Paddy Paddy is offline
 
Join Date: Jul 2008
Location: Prosper, TX
Posts: 403
Default GTN Antenna

The GTN antenna should to be mounted outside the aircraft in accordance with the Garmin instructions if you're going to use the plane for IFR flight. It might work fine under the fiberglass, but your DAR won't sign off on that if he's on the ball. Besides, as you found, it won't fit inside the Aerosport overhead even with a (very expensive) right angle threaded connector. I do remember a builder who carved out a bay for the antenna out of the cabin top fiberglass and then fitted a plexi window on top of it to make it flush with the outside.
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Last edited by Paddy : 08-25-2021 at 08:57 PM.
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  #23  
Old 08-26-2021, 06:42 AM
Mel's Avatar
Mel Mel is offline
 
Join Date: Mar 2005
Location: Dallas area
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Quote:
Originally Posted by Paddy View Post
The GTN antenna should to be mounted outside the aircraft in accordance with the Garmin instructions if you're going to use the plane for IFR flight. It might work fine under the fiberglass, but your DAR won't sign off on that if he's on the ball. Besides, as you found, it won't fit inside the Aerosport overhead even with a (very expensive) right angle threaded connector. I do remember a builder who carved out a bay for the antenna out of the cabin top fiberglass and then fitted a plexi window on top of it to make it flush with the outside.
Not sure where this information is coming from, but this is a "flight" issue and has nothing to do with the eligibility of the aircraft to meet 21.191(g). The DAR may caution you that it may not operate well, but he/she should not deny certification on this basis.
It is up to the operator to determine whether or not the aircraft is eligible for IFR operations per the operating limitations for that aircraft.
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Last edited by Mel : 08-26-2021 at 06:46 AM.
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  #24  
Old 08-26-2021, 07:59 AM
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Zuldarin Zuldarin is offline
 
Join Date: Mar 2013
Location: Snoqualmie, wa
Posts: 413
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I have my GPS antenna's both mounted under the overhead console . Below is a picture of one of them. They are both working perfectly. However, even with the 90 degree TNC adapter the cover does not fit without a hole for the connector. I am going to mount my rear headset hangar in that location so the hole will be covered eventually.

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  #25  
Old 08-28-2021, 05:50 PM
TomSpencer46 TomSpencer46 is offline
 
Join Date: Jan 2014
Location: ferrisburgh Vt
Posts: 73
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I mounted the antenna to the rear cover on my aerosport there is more room behind the roll over bar in the top. It works great. My GTN650 shows the strength of the signals and the are strong.
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  #26  
Old 08-29-2021, 08:37 AM
raabs raabs is offline
 
Join Date: Apr 2017
Location: Clermont, FL
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Do you have a pic or two that you could post? My antenna's don't fit - similar to the picture in the above post.
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RV-10 Under Construction
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  #27  
Old 08-29-2021, 09:13 AM
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Walt Walt is offline
 
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Take a look at the top of an SR22, it has a row of antennas, why do you suppose they did that?
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  #28  
Old 08-30-2021, 12:06 PM
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bjdecker bjdecker is offline
 
Join Date: Jun 2005
Location: Georgetown, TX
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Quote:
Originally Posted by Walt View Post
Take a look at the top of an SR22, it has a row of antennas, why do you suppose they did that?
1. Slavish adherence to the STC/TSO for the antennas
2. They needed a place to put the parachute + rocket motor and straps

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