Quote:
Originally Posted by sanddrag
Whoa. Those couplings are not meant to flex that far.
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We got them from Helical Products Company and this was one of the main things we discussed with them. The couplings we had were operating within their spec. we worked a lot with that company that year and I can assure you that it was not their fault. The shafts that we had put into the wheel side of the coupling were a few thousandths undersized, not enough for us to worry too much we figured we would have enough adjust-ability by tightening the end of the coupler. We were wrong. What ended up happening was the coupling would spin but the shaft was not held tight enough so the wheel shaft didn't spin along with it. It was in no way an issue of over angling the coupler or an issue with the quality of the coupler. Helical Products Company was a great recourse for us and in the end we made a fatal error.
~DK