Quote:
Originally Posted by ctc17
I bet the break is on the outside where you can fix it. Do a good inspection.
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Ditto to that. Completely dis-mount the fly if necessary to inspect it before declaring it DOA.
BTW, the "welding by arc" method works sometimes on a open element inside a tube, but remember that the weld occurs in a hard vacuum, thus preventing burning. By contrast, arcing across an open xfmr winding will result in a hot flame, exactly what you don't want.