Again, I concur.
Ken - W5KQ
----- Original Message -----
From: "Dick Green WC1M" <wc1m@msn.com>
To: "'Roger D Johnson'" <n1rj@adelphia.net>
Cc: "Tower" <towertalk@contesting.com>
Sent: Sunday, August 27, 2006 11:45 PM
Subject: Re: [TowerTalk] Rohn tower bolts
>> > What's the deal with putting the bolts in the way Rohn specifies?
>
> N1RJ wrote:
>
>> The reason is that it's much easier to spot a missing nut if
>> it's on the outside. A bolt that is inserted from the bottom
>> and missing it's nut will fall out and the resulting hole
>> will be obvious to anyone climbing the tower.
>
> Aha! That phrasing rings a bell. I knew I'd seen something about this in
> writing somewhere. Check out page 33 of the 3rd edition of "Tower Climbing
> Safety and Rescue", available from ARRL. It talks about checking tower
> bolts
> before climbing, and says pretty-much what Roger said. However, the
> comments
> specifically refer to angle steel towers with members that are bolted
> together. The text says hollow rod or round construction presents a
> different set of unique inspection issues (like checking weep holes to
> make
> sure they're open and not leaking a lot of rust.)
>
> I'm not so sure missing nuts would be more obvious inside or outside a
> Rohn
> 25/45/55 tower. I climbed a friend's 100' Rohn 45 tower yesterday and I
> have
> a clear mental image of the nuts on the inside of the tower, yet I can't
> picture the bolt heads on the outside of the tower. When you climb a tower
> like this, you can see all three inside faces, but one outside face is
> away
> from you. Perhaps on this type of tower it's better to insert the bolts
> outside-in, like it seems just about everyone on this reflector has done.
>
> Consensus?
>
> 73, Dick WC1M
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|