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[HOsteam] Remotor Kit for Mantua Pacific
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Tom Knowles <ncstl@...>
Geez, David, sorry you didn't get the gearbox. In my opinion, this is the
key part. At any rate, it's still retro-fittable, but you may decide to loose the Supplied Mantua motor mount and move the motor back into the firebox, where it will hide. If you look closely at the catalog, there are parts break-downs of "Mikado With Power-Drive", or Pacific, or Hudson.. There will be P/N's for all the parts you need to build a gearbox. Don't bother getting the longer self-tapping screws (for the top of the box), they are almost impossible to get in fully and sometimes break off! The short ones work fine. Get extra thrust washers so you can set the end play in the box more accurately. The less play, the better, but the worm shaft should turn smoothly when assembled. Finally, the application of an A-line flywheel to the motor will set this engine on a par with the best. The post about the current draw and clean wheels is true. Even the largest motors have such low draw (the limiting factor being wheel-slip) that your cleaning sessions will become a special event instead of regular tedium. I'll bet the draw will be on the order of 100 mA at 12v, wheels slipping. I have put out a new web site, incomplete as yet but there are some pix you might like (no Mantuas yet) .Try www.tomknowles.tripod.com and let me know what you think. You'll be one of the first! Tom
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Starr, David <david.starr@...>
Tom,
toggle quoted messageShow quoted text
I'll take a closer look at the catalog and see if I can get a gear box. I think a gear box is the solution to the worm mesh adjustment problem. Talking to the lady on the phone at Mantua, it wasn't clear to me just what they had, so I took what I could get. I'm hoping to make the Pacific into a real runner by adding weight to get the tractive effort up. I'm going to finally get around to installing the ammeters I picked up at the MIT flea market last year so I can measure the difference. The tender trucks are at a friends shop for installation of fancy wheels, so I won't be able to do a dynamometer run for a couple of days. David J. Starr Senior Systems Video Engineer Computer Products Division 781 937 1518 HTTP://www.analog.com/industry/video
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