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Improving Bachman Spectrum 44 tonner
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[quote]QUOTE: <i>Originally posted by smyers</i> <br /><br />As the 44 tonner and the 70 tonner appear to use the same running gear, has anyone tried to re-motor either? The three pole motors seem to cog a bit on mine. I have two 70 tonners and plan on aquiring more if I can. Terrific little engines. <br /> <br />Best, <br />smyers <br />[/quote] <br /> <br />The 70T has a slightly longer wheelbase and larger diameter wheels. I stupidly painted and detailed a 70T. After some running, the motors fried. I purchased a single motor 44T(supposedly the better of the two 44T's) and, after running it a while, adapted the mechanism for the 70T. The slight difference in the two mechanisms was tolerable, and I could hide the 44T weight with a new 70T-style mid-section [for the air tanks] <br /> <br />After I installed the 44T thing in the 70T shell, it wouldn't run well. I cleaned it; I lubed it; I talked kindly to it. Finally, I realised the contacts weren't contacting. Off to my hobby shop, where I ordered some bronze wipers for pick up. That takes care of it. Except that it didn't. <br /> <br />After much time and effort, not to mention expense, I hurled the 44T drive against a wall. It wasn't improved by my "fix", but it no longer performs beneath my expectations; it doesn't do anything after I scooped up the pieces into the cylindrical file for future reference. <br /> <br />I still have the original 70T shell that I foolishly spent so much effort on. I'm waiting to see what the recently announced "new" 70T drive will do for me. <br /> <br />In the meantime, if you want a really nice 44T in HO, I'd suggest an old Keystone Locomotive Works kit...I built one in '85 that still runs great. I installed DCC in it several years ago with separately controlled lights.
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