[TowerTalk] Coax choice for crank-up - looking for TT experience/recommendations
Dick Green WC1M
wc1m73 at gmail.com
Tue Jul 11 03:37:13 EDT 2017
I've used LMR400UF and Davis BuryFlex on my US Tower 72' tubular crankup.
Both worked, but the Buryflex is considerably more flexible.
73, Dick WC1M
From: Alan NV8A [mailto:nv8a at charter.net]
Sent: Monday, July 10, 2017 4:50 PM
To: Samuel <shorton at juno.com>; towertalk at contesting.com
Subject: Re: [TowerTalk] Coax choice for crank-up - looking for TT
How tight a coil can the hardline be coiled into. At present I have two runs
of Davis BuryFlex taped together with the control cables for the SteppIR and
the rotator, and being guided into a large trash bin when the tower is
retracted. Would this work for hardline?
On 07/10/2017 03:04 PM, Samuel wrote:
> Hi David...I have a US TOWER TX-472MDP and I have 2 runs of Andrews 7/8
> hard-lines,one run LMR400 and Belden HD rotor wire all attached to a
> 1/8"steel messenger cable tied to the top standoff and when I raise or
> lower tower I have to walk them out into yard when I work on tower or
> storms are expected...Was told I could not do it by some folks but it
> works...Its not for everyone but I can tell you it works for me...Samuel
> On 7/10/2017 12:15 PM, David Aslin G3WGN wrote:
>> I'm putting together a new contest station and have already decided
>> on/obtained LDF5-50A for the 150ft runs to the bases of the two
>> crank-up towers.
>> Looking for real-life experiences with cable choices for going up the
>> telescopic crank-up towers. Seems to me LDF Heliax (either 4-50 or
>> 5-50) won't have sufficient flexibility for the job - the towers are
>> likely to be up/down frequently for neighbour and passing storm
>> reasons. Am I too cautious on that score or is a low-loss coax with
>> stranded core like the Messi & Paolini Hyperflex/Ultraflex series or
>> LMR 400/600UF a better bet?
>> 73, David G3WGN M6O
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>> TowerTalk at contesting.com
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