[TowerTalk] Rotor load bearing weigh
Bob K6UJ
k6uj at pacbell.net
Mon Apr 25 13:54:31 EDT 2016
Steve,
I like your method for raising an installed mast. I will be lifting my
mast up
when I take out my Hy Gain Tail Twister and replace with an Orion 2800
in a couple of weeks.
I assume you used a gin pole ?
Bob
K6UJ
On 4/25/16 9:25 AM, K7LXC--- via TowerTalk wrote:
>> Should the rotor in a tower, bear the weight of the antennas and mast?
>
> Or should the weight be on a bearing plate, and allow the rotor to be
> easily removed?
>
> Howdy --
>
> In a case like this, it's always better to have some weight on the
> rotator so that the bearings get seated. The Orion wants all the weight on the
> rotator and other rotators have ample capacities for most mast/antenna
> weights.
>
> OTOH I've installed rotators with little or no weight on them. It
> might not be good engineering but I've never had a failure due to floating
> (non-weight bearing) bearings.
>
> Regarding the recent question about raising an installed mast, I've
> always used a comealong hooked to a nylon sling used as a choker on the mast.
> I've used most of the other techniques suggested and they usually take
> some fooling around to work - to say nothing of the extra parts needed; i.e.
> pieces of wood or jack handle that add to the chance of something falling
> from the tower.
>
> Cheers,
> Steve K7LXC
> TOWER TECH
>
>
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