Why not under the longeron? Because the area is already crowded. I have 
many, many things running over the main spar or on near it: throttle cable 
(mine is wall mounted), fuel lines (I have two long range tanks in the 
wing roots), VHF and transponder antenna cords, static and pitot lines, 
strobes lights wires, nav lights wires, electric trim wires, stick grip 
cables (I have dual stick with PTT and trim switches), Intercom cable ... 
and rudder cables, of course. So, a couple holes will give me some relief, 
and even save some weight.

Actually, I was thinking more of putting a tube through the hole to 
protect for ingress (water, moisture, insects, dust...). For 
reinforcement, a small quantity of  pywood will do.

Serge Vidal







"Dan Heath" <da...@alltel.net>

Envoyé par : krnet-bounces+serge.vidal=sagem....@mylist.net
2005-07-05 23:16
Veuillez répondre à KRnet
Remis le : 2005-07-05 23:31


        Pour :  <kr...@mylist.net>
        cc :    (ccc : Serge VIDAL/DNSA/SAGEM)
        Objet : Re: KR> Holes through spars



Your static is going to your instrument panel anyway, so, why not just run
it under the longeron?  you can run static on one side and wires on the
other.  you can also build a little tunnel just under each longeron, to be
able to accommodate what ever you want. 

However, I think that re-inforcement is a good thing, but probably not
necessary, if the holes are not too large and they are cleanly cut.

See you in Mt. Vernon - 2005 - KR Gathering
See N64KR at http://KR-Builder.org - Then click on the pics 
There is a time for building and a time for FLYING and the time for 
building
has expired.
Daniel R. Heath - Columbia, SC
-------Original Message-------

drilling holes in order to route the various wires, and the
Pitot-Static tubing. 
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