[SBE] FW: Block and tackle question

[Glenn Little WB4UIV]

The hard line must be supported along its length during the pull and 
until it is securely attached to the tower. To do otherwise will do 
damage to the feedline. The feed line is not designed to support its 
own weight for extended runs.

73
Glenn
WB4UIV
Chief Engineer
WCIV TV

At 08:28 AM 8/8/2008, you wrote:

>-----Original Message-----

>From: Bill Whitt [mailto:billw at betterlifetv.tv]

>Sent: Thursday, August 07, 2008 3:46 PM

>To: sberoundtable at sbe.org

>Subject: Block and tackle question

>

>

>

>Hello all,

>

>             I have to do a new transmitter install on a 150 foot tower. I'm

>pulling 1 5/8 cable up the stick to about the 120 foot mark. I got to

>looking at our block and tackle gear, and I don't think this stuff will

>handle the weight of cable at that height. I was doing some thinking off the

>top of my head, and near as I can figure a 100 pound antenna being hoisted

>at that height would be about 580 or so pulling pounds. Any suggestions on

>sourcing new gear. I really want a smooth install. A winch may do the trick,

>but I can muster up a ground crew too with no issues - meaning that if a 4:1

>pulley network is your favorite I would look at that suggestion as well.

>Any suggestions on sources and gear I would appreciate.

>

>

>

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