[TowerTalk] Rusty tower

[doc]

Keith Dutson wrote:
> IMO restoring a rusty 25G is flirting with disaster.  Depending on age and
> extent of rusting, you could be risking a lot climbing a tower like this.

Other than minor surface rust the presence of heavier rust could
suggest non-visible interior rust that could lead to an unexpected
collapse.

Other than a costly fiber optic camera inspection how might one
establish the interior integrity of used and rusty tower sections?

-- 
Thanks! & 73, doc kd4e
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