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 Posted - December 27 2014 : 02:05:34 AM
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Tycomaniacs:
For what it's worth...I measured the gears in Bachmann pancake trucks, and they appear to be module 0.50 metric gearing. Now to see if any of the various random 0.50 mod gear lots that always show up on Ebay matches any of the often-broken gears...
Edited by - Autobus Prime on December 27 2014 02:11:21 AM
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Posted - December 27 2014 : 11:36:21 AM
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That's good to know. Thanks.
I did measure the gear on the Bachmann (Reading) 2-8-0 and it looks to be .4 Mod.
Finding a reliable source for inexpensive replacement gears would be great.
I could be wrong. I measured the gear in inches and converted to metric and came up with a number between .4 and .5
Ray
Edited by - Ray Marinaccio on December 27 2014 11:57:39 AM
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Posted - December 27 2014 : 12:26:49 PM
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Not trying to hi-jack your thread Autobus, but I discovered something the other day.
I had a Rivarossi 0-8-0 with the later horizontal; in-the-boiler motor. Like most of those that weren't lubricated; the worm ground off the teeth on the axle gear. I pressed the wheels off and tapped the axle with a hammer and drove the junk gear off of it. Then drilled out a Tyco axle gear from an MU-2 type truck to fit the axle. (this was done with numbered drill bits) I slipped the gear on the axle with a tiny amount of CA to lock it there. Reassembled loco and tested. It was pretty tight at first but a few minutes of break-in time, several different time (to allow for the motor to cool) freed up everything and it now runs as well as it ever did.
I know several of you guys here are also rehabbing old stuff and this was sure an easy fix that I have been intending to share.
Randy
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Posted - December 29 2014 : 10:59:54 PM
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Shaygetz (where is he, btw?) pointed out once that there's a replacement Tyco PT pinion right under our noses: the second pinion that's on the back of the reduction gear is the same as the metal one on the motor shaft. It's easy to turn down a spare reduction gear and use it for a CD-ROM repower.
The Tyco Depot
Edited by - NickelPlate759 on December 29 2014 11:06:37 PM
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