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  #1  
Old 11-14-2019, 09:32 PM
coffeeguy coffeeguy is offline
 
Join Date: Jul 2015
Location: Lake in the Hills, IL
Posts: 134
Default Items before wing closeout

I'm at the point where I'm ready to rivet the bottom wing skins on. Is there anything from Van's that I should order that would be much easier to install prior to close out? AP servo install kit? I don't know what's in it or what it looks like. I'm installing the Dynon pitot mast and have done all the prep work for that. I ordered the aileron trim kit, but that looks ok to do later.

One item that I was wondering about was installing an Archer nav antenna in the wing tip. It appears that I need RG-400 for that. How much should I order? Will I use more of it later, if so how much? Just trying to order a qty that will eliminate waste.

Jeff
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  #2  
Old 11-14-2019, 10:43 PM
BobTurner BobTurner is online now
 
Join Date: Dec 2011
Location: Livermore, CA
Posts: 6,011
Default

Youíll want RG-400 for all RF lines to antennas - com(s), nav(s), gps, transponder, adsb, ... Itís not so expensive that you canít order a few extra feet. Nothing is so aggravating as coming up a foot short.
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  #3  
Old 11-14-2019, 11:19 PM
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rv8ch rv8ch is offline
 
Join Date: Feb 2005
Location: LSGG
Posts: 2,611
Default maintenance

If you have some conduit, that will allow you to run cables to the wingtips. If not, you can still get the cables in using the access panels, but a bit more work.

I read some good advice from someone on this forum that has served me well already - imagine how you are going to maintain/repair that thing after you are flying. If you can only access something with the wing panel off, what happens if you need to get to it later?
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  #4  
Old 11-15-2019, 06:53 AM
JDA_BTR JDA_BTR is offline
 
Join Date: Dec 2013
Location: Baton Rouge, LA
Posts: 887
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The aileron trim kit is way easier before close out.
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  #5  
Old 11-15-2019, 06:57 AM
JHartline JHartline is offline
 
Join Date: Dec 2012
Location: Carrollton, GA 5GA2
Posts: 229
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The only thing I did, other than factory wiring runs, was drill the holes and install the snap bushings for the pitot/static lines and string a couple of pieces of fishing line through the wing for future wiring needs (which I canít imagine anyway). Everything else can be done fairly easily with the skins on.

I didnít use conduit so I canít comment on that. If I had another chance I might try to get the metal pitot probe lines bent with the skins off so I could see inside a little better and figure out exactly how i planned to secure the heater wiring, etc. Even so, it still all got done with minimal drama. Vans knew where to put access plates.
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  #6  
Old 11-15-2019, 07:09 AM
mturnerb mturnerb is offline
 
Join Date: Apr 2015
Location: Ponte Vedra, FL
Posts: 1,139
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Do the autopilot servo kit and servo as well if you know which AP you'll be using. Doable after skins but waaaay easier before.

I posted some photos here: https://turnerb14a.blogspot.com/2018...g-systems.html
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  #7  
Old 11-15-2019, 09:58 PM
coffeeguy coffeeguy is offline
 
Join Date: Jul 2015
Location: Lake in the Hills, IL
Posts: 134
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Thanks for the advice. Looks like I'll put off the bottom skins for a bit. Always something else to do!
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  #8  
Old 11-20-2019, 10:03 PM
caapt caapt is offline
 
Join Date: Feb 2013
Location: Pottsboro TX
Posts: 78
Default run wires for heated pitot

Vans wire harness doesn't include provisions for the wires for heated pitot. If you use the holes in the ribs they are too small. The heater wires should be as far from the magnetometer as possible. If I had it to do over I would locate the pitot tube on the right side and the magnotometer in the left as per plans.
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  #9  
Old 11-22-2019, 11:44 AM
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mulde35d mulde35d is offline
 
Join Date: Dec 2017
Location: Williamsburg, VA
Posts: 204
Default RG-400

Quote:
Originally Posted by coffeeguy View Post
I'm at the point where I'm ready to rivet the bottom wing skins on. Is there anything from Van's that I should order that would be much easier to install prior to close out? AP servo install kit? I don't know what's in it or what it looks like. I'm installing the Dynon pitot mast and have done all the prep work for that. I ordered the aileron trim kit, but that looks ok to do later.

One item that I was wondering about was installing an Archer nav antenna in the wing tip. It appears that I need RG-400 for that. How much should I order? Will I use more of it later, if so how much? Just trying to order a qty that will eliminate waste.

Jeff
In regards to the amount of RG-400 cable I estimated that for the ELT antenna, Archer nav antenna, two com antennas, 1 transponder antenna, and 2 GPS antennas about 110'. This will obviously vary based upon the locations of your antennas and avionics boxes. But a 100' spool is probably a good start.
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  #10  
Old 11-22-2019, 06:19 PM
JDA_BTR JDA_BTR is offline
 
Join Date: Dec 2013
Location: Baton Rouge, LA
Posts: 887
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Good pitot heat threads on here somewhere already. Itís the controllers for pitot heat that craze the magnetometer on my left wing so I ditched the controller and just turn the heat on when in IMC. Just like my Arrow. The magnetometer on the shelf doesnít care now.
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