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Running AOA tubing in RV-6A

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don(at)dmack.net
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Posted: Mon Sep 29, 2008 5:32 am Post subject: Running AOA tubing in RV-6A

Hello,



I am trying to add an AOA to my Dynon on my 6A. It connects to the Dynon

Pitot. I am attempting to run the tubing behind the tank and in front of the

spar. I am trying to do this without removing the tank. I can not get the

tube to go through. It feels like it is going to the end of the tank and

being blocked. I shined a flashlight down the space at the wing root in a

dark hanger and could not see any light when I looked from the wingtip to

the tank. I do not see anything on the plans that would indicate something

is there. Does anyone know if there is something there or a suggesting for

running the tube?



Don Mack

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recapen(at)earthlink.net
Guest

Posted: Mon Sep 29, 2008 7:37 am Post subject: Running AOA tubing in RV-6A

Don,



IIRC, there is a double rib just outboard of the tank which I drilled through and put in a set of grommets.



To carry the line, I removed a few of the nutplates for the top attach screws and put an angle bracket under them for an additional nutplate which fastened an adel clamp....about three places.  I have pictures at home...if you want 'em.



I think I can state with confidence that the tank will need to come off - unless you snake the hose through the lightening hole in the double rib - but it'll probably rub there.



Ralph

RV6AQB Slider N822AR (at) N06 - getting my final airworthiness application paperwork reviewed.....



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sbuc(at)hiwaay.net
Guest

Posted: Mon Sep 29, 2008 7:53 am Post subject: Running AOA tubing in RV-6A

No need to remove a tank!



I added an LRI AOA to my flying RV-6 and the probe lines are routed 

through the wing rib lightning holes. Just use commons sense for 

securing the tubing to the ribs. I slipped a short length of rubber hose 

over the tubing at the ribs, drilled a 1/4" hole near the edge of a 

lightning hole, and secured the tubing to the rib with a zip tie. Other 

simple methods will work as well, no need to get complicated.



If you have a wiring conduit in the wing, you may be able to snake the 

tubing down the conduit.



Sam Buchanan



=========================



Ralph E. Capen wrote:

[quote] 

 <recapen(at)earthlink.net>

 

 Don,

 

 IIRC, there is a double rib just outboard of the tank which I drilled

 through and put in a set of grommets.

 

 To carry the line, I removed a few of the nutplates for the top

 attach screws and put an angle bracket under them for an additional

 nutplate which fastened an adel clamp....about three places.  I have

 pictures at home...if you want 'em.

 

 I think I can state with confidence that the tank will need to come

 off - unless you snake the hose through the lightening hole in the

 double rib - but it'll probably rub there.

 

 Ralph RV6AQB Slider N822AR (at) N06 - getting my final airworthiness

 application paperwork reviewed.....

 

 --

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n1cxo320(at)salidaco.com
Guest

Posted: Mon Sep 29, 2008 8:59 am Post subject: Running AOA tubing in RV-6A

Sam is right, I cut a slit in the flex conduit in the wings and ran the 

tubes from the LRI into it and pushed them to the fuselage...works just 

fine.

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recapen(at)earthlink.net
Guest

Posted: Mon Sep 29, 2008 9:33 am Post subject: Running AOA tubing in RV-6A

John and Sam may be right about being able to run it without removing the tank by using the flex tubing - I recall my tubing being aft of the spar and Don is trying to go forward of the spar.  Depending on where the Dynon computer is mounted, you may have to cross the spar eventually.



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sbuc(at)hiwaay.net
Guest

Posted: Mon Sep 29, 2008 10:36 am Post subject: Running AOA tubing in RV-6A

Ralph E. Capen wrote:

 	  Quote: 	
		   

 <recapen(at)earthlink.net>

 

 John and Sam may be right about being able to run it without removing

 the tank by using the flex tubing - I recall my tubing being aft of

 the spar and Don is trying to go forward of the spar.  Depending on

 where the Dynon computer is mounted, you may have to cross the spar

 eventually.


	


The tubing has to go to the panel to be connected to the Dynon. The spar 

can be crossed at the same place as all the stuff going to the back of 

the airplane.



Sam Buchanan

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recapen(at)earthlink.net
Guest

Posted: Mon Sep 29, 2008 11:08 am Post subject: Running AOA tubing in RV-6A

Agreed!



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