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[TowerTalk] 80m Yagis -- Too Tough to Tame?

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Subject: [TowerTalk] 80m Yagis -- Too Tough to Tame?
From: (
Date: Sun, 22 Jul 2001 19:38:10 EDT
In a message dated 7/22/01 12:44:33 PM Pacific Daylight Time, 

> Taking this antenna up or down is accomplished via the "trolley line
>  method". The yagi is suspended under a big rope that is about 6-8 feet 
>  the top of the tower and is pulled up on a pulley riding the rope.

    Actually what you're describing is the "tramline" method where the load 
hangs under the cable like mountain trams.

    The "trolley" method is where you have two lines going up to where the 
antenna will be mounted and the antenna lays on top of the lines like a 
trolley car on its tracks.
    The tram method is recommended 100% over the trolley method - less 
rigging, no line friction and the load is easily controlable. 
>  The 75 & 40 Meter yagi's are turned with a Prop Pitch (old W0MLY
>  construction) which has performed flawless.

    The Orion 2800 does a reasonable job with the 2 element versions but a PP 
is *definitely* the way to go.

Cheers,    Steve    K7LXC
Tower Tech 

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