When I worked in maintenance we had a relatively small, portable, electronic
thickness gauge. As I recall, it'd measure different metals from a few
thousandths to around half an inch. Back then I could borrow any of that
equipment over night, or for a week end by signing it out. Now if you
could find some one who works in a machine shop with one of these gadgets...
Roger Halstead (K8RI and ARRL 40 year Life Member)
N833R - World's oldest Debonair CD-2
www.rogerhalstead.com
> At 12:20 PM 7/30/2005, you wrote:
>>John, do you have a best method for knowing how the internal state of the
>>legs will be?
>>
>>Thanks for the posting.
>>
>>73, George KR5C
>
> That IS the problem! You just can't tell for sure. And I hate to risk
> my
> life and limb not knowing. There just isn't any sort of CHEAP
> non-destructive
> testing that I know of. You might make a coil around the leg and
> measure
> its resonance and Q and then move it to the area of question and see if it
> is
> the same. If not then maybe the steel is flaking off on the inside. But
> then
> again maybe any change is just due to the proximity of the concrete. I am
> sure there are some ultrasound methods, etc.
>
> Best thing I can suggest is to LOOK very closely to see if there is ANY
> sign
> of problems on the other legs. And I guess you can tap on them to see if
> they sound any different. Poor mans ultrasound!
>
> --John
>
>
> _______________________________________________
>
> See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless
> Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with
> any questions and ask for Sherman, W2FLA.
>
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>
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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