[TowerTalk] Crankup tower safety question... (Crankup Danger!)

[Dick Dievendorff]

I suspect that if an upper section support were to fail, supports for other
seconds below might be stressed to failure by falling sections. I remember
vividly watching this effect on TV on a couple of buildings in September,
2001.

Whatever makeshift/temporary/amateur/untested blocking and support is in
place, these are heavy pieces of metal designed to move, and if they move at
the wrong time because a support of any sort gives way or is unable to
handle the additional weight of climber(s), it's a task one should take
seriously and do whatever you can to mitigate risk.  Now that I've owned
both crankup and guyed towers, I'm not planning to again climb a crankup
tower.  Rohn 55 is so stable and the foot rungs are far enough apart that I
feel well supported as I climb up, rather than tips of (steel booted) toes
sticking in between nested tower sections. 

Please, be very careful.

73 de Dick, K6KR

-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of Gary
and Arlene Johnson
Sent: Friday, August 02, 2013 9:18 AM
To: towertalk at contesting.com
Subject: Re: [TowerTalk] Crankup tower safety question... (Crankup Danger!)

Is there any reason that in a 3 section tower that the two upper sections do
not have independent cables and winches??  That way if one fails, they both
don't come down.

Gary J
N5BAA 

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