[TowerTalk] Anchor Bolt Material

[Roger (K8RI) on TT]

On 10/15/2014 11:30 AM, Jon Pearl - W4ABC wrote:
> That's exactly what I was thinking, Gerald.

I may have missed it, but one very important factor is how deep are the 
holes and how deep are they supposed to be?  If not deep enough the 
clearance becomes a lesser problem.

As far as threaded bushings, they are very easy to make if you have a 
lathe of sufficient size. Threads can be tapped, cut, or rolled, For a 
deep bushing, it's probably easiest to cut the threads. Rolled are the 
strongest and smoothest, but not for a low timer.

73

Roger (K8RI)


>
> Marvin's greatest constraint is an oversized hole.  I would make a 
> trip to a machine shop with some appropriate sized anchor bolts and 
> and have the upper threaded portion necked-down!
>
>
>
>
> 73,
>
>
> Jon Pearl - W4ABC
> www.w4abc.com
>
>
> On 10/15/2014 8:03 AM, TexasRF--- via TowerTalk wrote:
>> How about larger anchor bolts with upper six inches or so machined to 
>> fit
>> the base holes?
>>   Could the base holes be reamed to a larger size?
>>   K5GW
>>
>
>
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-- 

73

Roger (K8RI)