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jeff(at)westcottpress.com
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 Posted: Fri Dec 12, 2008 12:46 pm Post subject: Push Rod Height in Tunnel |
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Hi All,
I'm planning on mounting my two Comant Bent Whip Comm Antennas in the
tunnel, centered below the push rod... one just forward of the
forward rear seat bulkhead and the other just forward of the rear
baggage bulkhead. I've started the process of installing the push
rod to see if I've got adequate clearance for the coax connection,
but thought some of you may have already figured that one out (and
I've got some silly hope I can avoid multiple installations of the
push rod). I'll be using a .063 backing plate.
Thank you,
Jeff Carpenter
40304
definitely in the 90/90 phase
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nukeflyboy
Joined: 05 Jan 2008
Posts: 162
Location: Granbury, TX
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| Posted: Sat Dec 27, 2008 4:59 pm Post subject: Re: Push Rod Height in Tunnel |
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Jeff,
That's a tough place to put them. I'm sure that you are aware that most of us have put them outboard of the centerline where there is no interference. The cables are stiff and don't easily bend. While you could use a 90 degree (elbow) coax connector, I don't think the clearance is there. Try a mock-up to get the height of the plates and connector to see if it fits.
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Dave Moore
RV-6 built and sold
RV-10 built and flying |
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effectus(at)rogers.com
Guest
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| Posted: Sat Dec 27, 2008 5:51 pm Post subject: Push Rod Height in Tunnel |
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Jeff,
I have mounted a couple of antennas in the center under the puss rods.
The first is the transponder antenna just forward of the main spars and
the other is the marker beacon antenna under the flap motor area. Both
went in with 90 deg. BNC fittings and there was about a finger thickness
of clearance between the top of the connector and the push rod.
Dave Hertner
RV-10 # 40164
Working on the wiring and cabin overhead console.
nukeflyboy wrote:
| Quote: |
Jeff,
That's a tough place to put them. I'm sure that you are aware that most of us have put them outboard of the centerline where there is no interference. The cables are stiff and don't easily bend. While you could use a 90 degree (elbow) coax connector, I don't think the clearance is there. Try a mock-up to get the height of the plates and connector to see if it fits.
--------
Dave Moore
RV-6 flying
RV-10 QB - cabin top/fiberglass hell
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p 21417#221417
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--
Dave Hertner
President
Effectus AeroProducts Inc.
Kit Aircraft Component Manufacturing
Machining - Fabrication - Laser/Water-Jet Cutting
Blog: http://www.kitaircraftmods.com
Email: davehertner(at)effectus-aeroproducts.com
Phone: (519) 933-2055
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effectus(at)rogers.com
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Jim Berry
Joined: 10 Jan 2006
Posts: 237
Location: Denver
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| Posted: Sun Dec 28, 2008 12:01 pm Post subject: Re: Push Rod Height in Tunnel |
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Jeff,
I had planned on doing the same, but gave up on it. At your forward location there is 5/8" clearance; the aft location has 3/4". Not enough room for even a 90 degree connector.
Jim Berry
40482
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nukeflyboy
Joined: 05 Jan 2008
Posts: 162
Location: Granbury, TX
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| Posted: Mon Dec 29, 2008 9:42 am Post subject: Re: Push Rod Height in Tunnel |
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Jeff,
If your concern is future access to the connector, you can still do this from under the riveted seat pans. Attach the mounting bracket with nutplates installed so the antenna can be screwed in from the exterior w/o access to the backside. With a sufficient size loop of coax you can then drop the whole connector out the bottom of the aircraft.
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_________________
Dave Moore
RV-6 built and sold
RV-10 built and flying |
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