Good points. I would think some cracking of the paint should be seen prior but a break that clean has to be sudden. That almost had to be a butt joint weld for it to be that clean. Very poor choice for the placement and very poor choice for that type of joint.
to the physics. Am I correct in...
Cracks should appear in the paint prior to failure. Midway between the fixed points sees a huge amount of stress. The pin location sees more and that’s why the boom was reinforced with the gussets but the area between gets torqued on a like a mofo. Hard for me to explain but seems easy to grasp...
Two separate identical breaks is not a good sign. I agree with you Kyle. To clean for a break in a piece of tube steel. This is also why people need to properly inspect equipment.
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