Its working thanks fellas :0)
73 fer nw,
Member: CTDXCC, NTCC
FISTS: # 12637
10X# 37210, FP#-1141
SMIRK#-5177, RARS #-149
> -----Original Message-----
> From: email@example.com
> [mailto:firstname.lastname@example.org] On Behalf Of Jan Erik Holm
> Sent: Monday, September 18, 2006 2:38 AM
> Cc: email@example.com
> Subject: Re: [TowerTalk] Recommendation for mast on bottom mount
> However can also been done a lot simpler forexample with a
> "Hardy disc".
> Jim Jarvis wrote:
> > W3GM used bottom mount rotors on all of his 100' 25g towers.
> > The actual mast and the 'torque tube' were of different material.
> > He used thin-wall irrigation tubing, 100' of which weighed maybe 20
> > lbs. No idea what % of that was carried by the rotor, and what %
> > might have been hanging from the thrust bearing. The load
> was light,
> > in any case.
> > The effect of this was to allow the arrays.. 3 el fullsized 40, for
> > example...
> > to rotate in the wind somewhat, taking peak loads off the rotor. I
> > think he turned the 40m array either with a tailtwister or
> a ham-4.
> > In the time I operated from there, maybe 4 seasons, I never
> remember a
> > major rotor problem.
> > n2ea
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