[TowerTalk] rotor placement

K8RI on Tower talk k8ri-tower at charter.net
Sat Apr 15 16:28:23 EDT 2006

> Greetings,
>  Let me chime in with my experiences. If you already have a tower up, 
> retrofitting to a bottom rotor will be a major undertaking. Building up 
> the tower and mast at the same time is far easier than trying to thread 
> masting through an existing tower and radial bearings. Consider also your 
> method of joining mast sections. A solid splice will encourage splitting 
> from ice. My biggest complaint is the lack of footholds on a Rohn 25 sized 
> tower. You WILL have to climb the tower and with only the ability to get 
> your toes over each rung of the z-brazing, you will quickly tire. I'm not 
> sure what's worse to climb, an HDBX style tower or a Rohn 25 with a bottom 
> mounted rotor.

It's not bad on a 45G (My feet don't even touch the mast), but I'd hate to 
be doing it on a 25G.  Otherwise find a climber with small feet.

Roger Halstead (K8RI and ARRL 40 year Life Member)
N833R - World's oldest Debonair CD-2

>  gl,
>  Jim W5QM
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