|Subject:||Re: [TowerTalk] Cable entrance|
|Date:||Wed, 19 May 2004 10:45:41 -0400|
For the insulation, you can buy extruded foam that is soft and easy to cut
in 3 to 5 inch diameter. 6 feet of the stuff costs 3 or 4 bucks. Drill
holes slightly smaller than the coax you are running through it, then slice
it so that it creates an open side.|
Lay your cable into it through the slice along the length of it, and slide it all into the entrance pipe. It makes a weatherproof seal and is cheap. Smaller cables such as rg58 and rotor cable doesn't need a hole drilled at all, just lay it in a slit made lengthways and the foam conforms to the cables diameter and seals perfectly.
I suggest using the 3 or 4 inch diameter stuff as it's easier to work with when you have 8 or 10 coax runs passing through it.
Put just a few drops of vegetable oil on the coax where it slides into the foam and it will be very easy to slide the coax in and out when you want to add additional runs.
I used a dryer entrance hose bracket which has a nice rain shield and is cheap and available.
The extruded foam is a Wal Mart type item, sold in the toy section. Look near the pool supplies, they are called 'noodles' and are sold as floats for kids (and adults) to keep them floating in the pool. Some have holes in them already, others are solid (without holes).
Good Luck to all.
At 10:58 PM 5/17/04, you wrote:
Any suggestions on routing Heliax through an outside wall? I'm putting up a building that will be the new home for my radio station and will need to bring about 10 runs of Heliax (7/8" to 1-5/8") and a few runs of regular coax through the wall. In the past I've put a few runs of Heliax through a section of large diameter PVC that passed through the wall, but I'd like something better this time around.
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
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