[TowerTalk] Mounting rotor on 25ag2 top section?

Pete Smith n4zr at contesting.com
Fri Dec 3 17:46:33 EST 2004

9 years so far with this top section, no lube, no bushing, no problems.

73, Pete N4ZR

At 05:16 PM 12/3/2004, Carrington, Walter wrote:

>I have a Rohn 25ag2 top section (used);  this is the tapered top section 
>that has a single vertical tube at the top.  It appears that the way the 
>rotor and mast were mounted was rotor on a plate inside the tower a couple 
>feet down from the top,  and the mast running through the inside of the 
>tower section's vertical tube.  Is this a reasonable way to do it?  Should 
>there be a bushing inside the tube (there is none now)?  Won't friction be 
>pretty high? Do I grease the mast?  Will it ice up badly? (I live on a 
>very windy, cold, icy hill)?
>     My rotor has an adaptor that allows me to mount it directly to the 
> section's vertical top tube,  but it is not as strong as mounting it to a 
> plate inside the tower section.  This will be a temporary installation 
> for the winter,  30' or 40' high.  I'll have a couple of long VHF yagis on it.
>73,  Walter,  K1CMF
>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.
>TowerTalk mailing list
>TowerTalk at contesting.com

More information about the TowerTalk mailing list