[TowerTalk] Guywires

[K1TTT]

If you really want facts, the rohn catalog calls for a 2'6"x2'6'x4' base for
180' of 55g.  but a 64' bx series rohn tower calls for a 5'9"x5'9"x4' base.


David Robbins K1TTT
e-mail: mailto:k1ttt at arrl.net
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
 

> -----Original Message-----
> From: Michael Ryan [mailto:mryan001 at tampabay.rr.com]
> Sent: Saturday, January 16, 2010 20:13
> To: 'Tower and HF antenna construction topics.'
> Subject: Re: [TowerTalk] Guywires
> 
> This thread just keeps getting better and better...very entertaining...not
> very factual....but entertaining...pass the popcorn.  - Mike
> 
> -----Original Message-----
> From: towertalk-bounces at contesting.com
> [mailto:towertalk-bounces at contesting.com] On Behalf Of K1TTT
> Sent: Saturday, January 16, 2010 2:41 PM
> To: 'Tower and HF antenna construction topics.'
> Subject: Re: [TowerTalk] Guywires
> 
> > Now maybe someone will address the massive concrete bases recommended in
> > the
> > catalogs?  I maintain that if the tower is held vertical by the guys
> there
> > is near zero horizontal reaction at the base and all we need is enough
> > base
> > AREA to keep the thing from sinking, plus enough horizontal restraint to
> > handle the windload on the tower between the ground and the first guys,
> > which isn't much.  There is no overturning moment at all.
> 
> Guyed towers have relatively small bases, my 180' rohn 55 base is only
> 4'x4'x5'.  Self supporting towers have much bigger base requirements.
> 
> David Robbins K1TTT
> e-mail: mailto:k1ttt at arrl.net
> web: http://www.k1ttt.net
> AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
> 
> 
> 
> 
> _______________________________________________
> 
> 
> 
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
> 
> __________ Information from ESET NOD32 Antivirus, version of virus
> signature
> database 4778 (20100116) __________
> 
> The message was checked by ESET NOD32 Antivirus.
> 
> http://www.eset.com
> 
> 
> 
> 
> __________ Information from ESET NOD32 Antivirus, version of virus
> signature
> database 4778 (20100116) __________
> 
> The message was checked by ESET NOD32 Antivirus.
> 
> http://www.eset.com
> 
> 
> 
> __________ Information from ESET NOD32 Antivirus, version of virus
> signature
> database 4778 (20100116) __________
> 
> The message was checked by ESET NOD32 Antivirus.
> 
> http://www.eset.com
> 
> 
> _______________________________________________
> 
> 
> 
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk