ESjaavik - Yeah, I'd say that you're quite right on the specs dropping as they learned more about the failure of the components. I have quite a collection of the history of the motors used in these things. The newest are quite small - and "cute" at best - the earlier "cubes" look beefy and are what I'll use. You can find a few good ones in printers and scanners too - but the same thing - older have more "Beef". And BTW there is little standardization, from 4 wire Bipolar to 5 & 6 wire Unipolars - frequentally the same brand/manufacturer! And, low speed is not too big a deal -- if you don't have far to go!  Jim
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Experience is the BEST Teacher. Is that why it usually arrives in a shower of sparks, flash of light, loud bang, a cloud of smoke, AND -- a BILL to pay? You usually get it -- just after you need it. |