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RV-7A Construction Log
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Date:  4-20-2011
Number of Hours:  1.00
Manual Reference:  
Brief Description:  Wire Run in Aft Fuselage 3

The AP said my best wire run aft would be to keep the wire at the height the engineers designed the holes in the fuselage and use either little stanchens or a tube. Well I don't want to make and glue stanchens in the belly so I went to Home Depot Airplane parts. And they have this new plastic tubing for fresh water piping in houses. It isn't PVC and it replaces copper. It is stiff and light weight. I bought 8 feet for $3 bucks.

So I ran a length of this pipe from the baggage bulkhead into the tail cone. It is 5/8 outside diameter and fits right thru the holes. No bushings needed. I clamped it to the vertical rib behind the baggage bulkhead with a little aluminum angle and adel clamp.

I clamped it aft of the bulkhead hole because I think other wires are going to need to come into this area for headsets, dome lights and transponder. I didn't want to make a hole in the pipe and try to fish them thru that later.

The plastic pipe spans nicely between bulkheads, with no extra stanchuns need to hold it up like you would with that flexible black accordian tubing we used in the wing.

Now I can push wires to the tail whenever I want. I don't even have to do it now.
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Plastic pipe for wire run

Plastic pipe for wire run

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Clamped here

Clamped here

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Little angle and adel clamp

Little angle and adel clamp

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