[TowerTalk] 2 1/4" Galvanized U-bolts?

[K8RI on TT]

On 5/13/2011 11:49 PM, pfizenmayer wrote:
> Guess what I have is not "pipe" but I have a 20 foot mast I have used for
> about 30 years and it is definitely 2 3/8 OD and has about a 0.280 wall - It
> has been a real pain because NOTHING seems to be available to fit 2 3/8. I
> have modified  U bolts and saddles by filing /grinding away the saddle to
> fit .
>
> I was told this was "oil field drill pipe " and Googling shows exactly that
> dimension is available in several grades . Mine is seamless.

Find a machinist, He/she could easily machine some clamps out of 
Aluminum that would both fit the mast and the tower leg.
It shouldn't be terribly expensive, but would certainly be pricey 
compared to U-bolts.  OTOH it'd work.

73

Roger (K8RI)


> FWIW -- de Hank K7HP
>
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> ----- Original Message -----
> From: "Tony"<dxdx at optonline.net>
> To:<towertalk at contesting.com>
> Sent: Friday, May 13, 2011 6:56 PM
> Subject: Re: [TowerTalk] 2 1/4" Galvanized U-bolts?
>
>
>> On 5/13/2011 8:44 PM, Jim Lux wrote:
>>> What actual dimensions do you need? There isn't a standard 2 3/8" pipe...
>>> is that the actual OD of the tubing?
>> Hello Jim,
>>
>> The 2 inch u-bolts I have are too small to fit around the leg of my
>> tower and the 2 1/2" are larger than I need.  I'm surprised there isn't
>> intermediate size between 2 and 2 1/2 inches.
>>
>> Tony
>>
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