[TowerTalk] Galvenized Monopole Foundation

[Steve Maki]

BTW on one of the other collar faces you could clamp a heavy duty gin 
pole to make life easy.

-Steve K8LX

On 08/04/20 21:49 PM, Steve Maki wrote:

> I would plan on mounting the rotator and mast outside of the pole, 
> rather than inside.
> 
> I'd install a couple of "ring collars" - off the shelf weldments used in 
> the cell business - one at the pole top, and one down 6' or so. To that 
> you clamp a 4" or 5" pipe mount, which can be plumbed with no trouble.
> 
> Then to this pipe you can attach shelves at any height - one for the 
> rotator, and a couple for thrust bearings for example. You can make this 
> as heavy duty as you want, mostly with off the shelf parts - just a 
> little ingenuity and fab work required.
> 
> BTW the ring collars come with three faces for clamping stuff, so you 
> could have some fixed yagis just below the tower top facing in favorite 
> directions.
> 
> Anyway, it gives you way better flexibility and serviceability than 
> having stuff inside the pole.
> 
> -Steve K8LX
> 
> On 08/04/20 20:06 PM, Jonathan - KE0YBL via TowerTalk wrote:
> 
>> Yep, planning on a small crane. Not sure this type of flange is ideal 
>> for a buried pier footing. I've not found specific details on those 
>> beyond conceptual, though.
>>
>> Also planning to fabricate a cross brace inside for rotator and also 
>> for thrust bearing, and perhaps a fiberglass cover... Unless I can 
>> find something field tested by others. Thanks for the reply.