[TowerTalk] IARU Team Stations

[Richard (Rick) Karlquist]

Using steel helps, but the wire still forms a catenary
that makes it behave as if it had some stretch.

Rick N6RK

On 7/28/2012 9:23 PM, Mark Pride wrote:
> Rick,
> The link from the top of the derrick to the tower (lifting component) is
> a steel cable so practically no stretch here.
> Regards,
>
> Mark, K1RX
> *From:* Richard (Rick) Karlquist <richard at karlquist.com>
> *To:* Hector Garcia XE2K <j_hector_garcia at sbcglobal.net>
> *Cc:* Bud Kozloff <W1NSK at Hotmail.com>; towertalk at contesting.com
> *Sent:* Saturday, July 28, 2012 11:18 PM
> *Subject:* Re: [TowerTalk] IARU Team Stations
>
> This is obviously a successful set up, but one thing
> that I don't like is that the derrick is rigidly coupled
> to the tower.  I tried this years ago and discovered that
> if the rope between the tower and derrick has any stretch
> in it, you can end up with a lot of strain on the
> connection between the pieces.  What I do instead is
> have independent pivots for the tower and derrick.
> Then the ropes are non critical.
>
> Rick N6RK
>
> On 7/28/2012 1:03 PM, Hector Garcia XE2K wrote:
>  > take a look
>  >
> http://s1266.photobucket.com/albums/jj529/wrtc2014/WRTC%20Station%20Test%202012/K1RX%20Photos/
>  >
>  >
>  >
>  > also facebook
>  >
>  > http://www.facebook.com/wrtc2014
>  >
>  >
>  >  J.Hector Garcia  XE2K / AD6D
>  > Mexicali B.C  DM22fp
>  > P.O.Box 73
>  > El Centro CA 92244-0073
>  > http://xe2k.net
>  >
>  >
>  >
>  >
>  >
>  >
>  >
>  > ________________________________
>  > From: Bud Kozloff <W1NSK at Hotmail.com <mailto:W1NSK at Hotmail.com>>
>  > To: towertalk at contesting.com <mailto:towertalk at contesting.com>
>  > Sent: Sat, July 28, 2012 12:52:36 PM
>  > Subject: [TowerTalk] IARU Team Stations
>  >
>  > Thinking of a "temporary" 35ft 25G Setup w/A4S on top similar to what
>  > they are doing for the 2014 temporary team stations.
>  > How are they installing the towers? Actually pouring foundations?
>  > Putting a 10ft section in a 5ft hole and digging it out afterwards?
>  > How are they installing the guys?  Any info would be appreciated.
>  >
>  >
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