Not sure how much is left........but just in case it comes down to 20 foot
sections......let me know if needed and I will see what is still there.
This was a 300 foot tower that we took down. I think it is 65g.
----- Original Message -----
From: "Jim Thomson" <Jim.thom@telus.net>
To: <towertalk@contesting.com>
Sent: Wednesday, February 17, 2010 7:10 AM
Subject: [TowerTalk] ROHN 65-G where do we get 200' of it.. + matinggin-pole
?
>A buddy of mine needs 190-200' of Rohn 65-G.. and pretty soon. He would
>like to use the 10' sections , and not the 20's... if
> at all possible. The plan was to use 3-4 x KX0G rings + KX0G base
> rotor. Also, 3/8" Polygon rod guy wire to be used.
>
> Top ring was to be at the 165' level.. and have 25' of UN-supported
> tower above it. [ or guy at 175'.. and have same 25' un-supported
> portion above top guys]
> On that 25' of Un-supported portion, a 2 el 80m yagi [ M2] was to be
> installed, along with a m2 4 x el 40m yagi.. and also a 5 x el 20m m2
> yagi.
>
> Lower down, the plan was for a 2nd 4-el 40m yagi... and also TWO more
> 5-el 20m yagi's... and also single yagi's for 17-15-10-6m.
>
> IE: 10 [ TEN] yagi's in all. Will 65-G take this kind of load ??
> Max wind gust ever recorded in the last 10 x yrs at this location was 57
> mph [ at the 160' level of another tower]
>
> In looking through old Rohn catalog I have..... the "safe moment of
> restraint" is :
>
> 45g- 9610 ft lbs aprx $269.00 per 10' section
> 55g- 17,160 ft lbs aprx $319.00 per 10' section
> 65g- 33,200 ft lbs aprx $365.00 per 10' section
>
> Seems to me that's a huge diff, between 45 g and 55g... another huge
> diff, between 55g and 65g .
>
> The game plan was to opt for 65-G.... if we can find some... new. The
> gin pole is what's giving us the run around. Any idea's.... or general
> notes with 65-G owners would be appreciated. EG; install procedures
> unique to 65-g .. pitfalls.. 'gotcha's, etc.
>
> Per Rohn book, 3 x sets of guys are required. But this is a wicked
> load. 4 x sets of guys can be used, if required .
>
> Later......... Jim VE7RF
>
>
>
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