[Fot] TR CHASSIS FATIGUE - A CAUTIONARY TALE

[Jim Norlin]

Ultrasonic Thickness testers are available.  I've used one for work on 
several occasions.  A quick internet search didn't find anything under 
$1000.  Unfortunately, Harbor Freight hasn't come up with a cheapo 
version yet.

On 1/10/2013 10:26 AM, Larry Young wrote:

It seems that a visual inspection is not sufficient. Is there some sort 
of sonic testing device which could be used to check it over.