I had a friend who used a crank-up that was made from a square tube and a
round one. On the top corner of the square one was a pulley over which a
piece of air-craft cable was run. The cable was connected to the bottom of
the round pipe so that when he cranked the cable in, he lifted the round
center pipe. The square corner allowed for the room needed for the cable to
pass between the two pipes.
The one I saw was only two sections and tilted over, but I have seen from a
distance the round ones with more than two sections and wondered that
myself.
Buck
> -----Original Message-----
> From: towertalk-bounces@contesting.com [mailto:towertalk-
> bounces@contesting.com] On Behalf Of Joe Giacobello
> Sent: Sunday, May 29, 2005 12:17 PM
> To: k2xx@swva.net
> Cc: towertalk@contesting.com; Mike Newman
> Subject: Re: [TowerTalk] Crankup Tubular Tower Info
>
> Mike, now that I think about it, I believe the cable went down the
> groove in the bottom section and attached to the bottom of the second
> section.
>
> 73, Joe
>
> Joe Giacobello wrote:
>
> >Mike, I owned a TT-45 several years back. If my memory serves, the
> >tower was in three sections. The topmost section was locked into the
> >2nd section with a bolt or similar. I think the second section slid on
> >a track (sort of tongue and groove arrangement) on it and the bottom
> >section. I believe the 2nd section was male and the bottom was female,
> >but my memory is vague on this. The raising cable went up the outside
> >of the bottom section and somehow fit between the inside of the bottom
> >section and the outside of the 2nd section and was attached to the
> >bottom of the 2nd section somehow.
> >
> >That's all I can remember. It seemed to work reasonably well. Maybe
> >someone else has a better recollection.
> >
> >73, Joe
> >
> >Mike Newman wrote:
> >
> >
> >
> >>Hi
> >>
> >>I'm looking for info on the Wilson and other tubular crank-ups.
> >>
> >>We don't get to see this make of mast here in ZL, but since I have some
> lengths of heavy wall steel pipe, I would like to build something like the
> Wilson crank-up.
> >>
> >>Can someone tell me what the tower comprises, and how it is assembled?
> >>
> >>Are the nesting tubular sections all circular or are some square in
> section?
> >>
> >>How is rotation of one section within the other prevented - ie is there
> a keyway or similar.
> >>
> >>Thanks de MikeN, ZL1BNB
> >>
> >>_______________________________________________
> >>
> >>See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with
> any questions and ask for Sherman, W2FLA.
> >>
> >>_______________________________________________
> >>TowerTalk mailing list
> >>TowerTalk@contesting.com
> >>http://lists.contesting.com/mailman/listinfo/towertalk
> >>
> >>
> >>
> >>
> >>
> >_______________________________________________
> >
> >See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with
> any questions and ask for Sherman, W2FLA.
> >
> >_______________________________________________
> >TowerTalk mailing list
> >TowerTalk@contesting.com
> >http://lists.contesting.com/mailman/listinfo/towertalk
> >
> >
> >
> _______________________________________________
>
> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with
> any questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
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