Not so clearly, if the tower is going up one leg at a time, not one section
at a time, the leg lengths can be adjusted anywhere along the way assuming
you want the top (bearing mounting plate) to be level. At any rate, yes, the
angle is the critical factor.
Gene / W2LU
----- Original Message -----
From: "Gene Fuller" <w2lu@rochester.rr.com>
To: "David Gilbert" <xdavid@cis-broadband.com>; "Gary "Joe" Mayfield"
<gary_mayfield@hotmail.com>
Cc: <towertalk@contesting.com>
Sent: Sunday, August 01, 2010 7:44 PM
Subject: Re: [TowerTalk] Re Plumbing a Tower
> Clearly, each leg same angle AND same length. Gene / W2LU
>
> ----- Original Message -----
> From: "David Gilbert" <xdavid@cis-broadband.com>
> To: "Gary "Joe" Mayfield" <gary_mayfield@hotmail.com>
> Cc: <towertalk@contesting.com>
> Sent: Saturday, July 31, 2010 12:57 AM
> Subject: Re: [TowerTalk] Re Plumbing a Tower
>
>
>>
>>
>> It's actually quite simple ... you just make sure all three legs are at
>> the same angle. That assumes, of course, that the tower is straight,
>> which I accomplished with a taut string as described in an earlier
>> post. There's nothing unique about a tapered tower ... the legs still
>> need to be straight and each leg needs to have the same angle. That's
>> all there is to it.
>>
>> I trued my tower by building "feet" for the base out of concrete block
>> and angle iron, and clamping the base to the angle iron with C-clamps.
>> I adjusted each leg one at a time until the angles were all the same
>> (89.1 degrees in my case), and then drilled holes and put bolts in them
>> to replace the C-clamps that I didn't trust to survive the concrete pour.
>>
>> http://www.ab7e.com/AB7E_Tower_Page_4.html
>>
>> http://www.ab7e.com/AB7E_Tower_Page_5.html
>>
>> 73,
>> Dave AB7E
>>
>>
>>
>> On 7/30/2010 7:46 PM, Gary "Joe" Mayfield wrote:
>>> Okay, I'll finally ask. How do you true up the tapered self-supporting
>>> tower?
>>>
>>> 73,
>>> Joe kk0sd
>> _______________________________________________
>>
>>
>>
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