[UK-CONTEST] Gin Poles
Paul_group
paul_group at greenrover.demon.co.uk
Tue Jun 22 10:06:08 PDT 2010
On 22/06/2010 17:41, Regwoolley at aol.com wrote:
>
> The Term Falling Derrick is indeed the correct terminology. I spent 12
> years in the RAF as an Aerial Rigger. Not once were we ever told it was a Gin
> Pole. The latter seems to have slipped under the wire as the correct name.
> However it is not the right one!
That is correct Reg.
When describing the mast raising technique that is being discussed in
this thread a professional antenna rigger would use the term Falling
Derrick.
If you were describing the same technique to man more used to putting up
telegraph poles, power utility poles or railway signal poles he would
call it a Spar Holm Derrick which is technically more correct.
If you asked either to do the same job with a Gin Pole they would asume
you were clueless ;-)
A Gin Pole is something that temporarily bolts alongside the top section
of a structure extending above the masts height. A pulley at its top
allows the lifting line to be used to position the material at the
connection point.
--
73 de Paul GW8IZR IO73TI
http://www.gw8izr.com
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