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Post by tundraspyder on Sept 12, 2017 7:19:51 GMT -8
I have an old remotored athearn c30-7 that I converted to a c36 years ago.
The gears in those drives are horrible, noisy and bind. Result engines, look great, but run like crap
I wonder about the possibility of replacing the entire undercarriage/drive with an atlas c30-7 drive?
Anyone tried this?
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Post by lvrr325 on Sept 12, 2017 9:04:43 GMT -8
Is it a Rail Power shell?
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Post by craigz on Sept 12, 2017 9:18:46 GMT -8
Athearn gears are fine; the models really benefit from a new motor.
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Post by tundraspyder on Sept 14, 2017 5:21:34 GMT -8
In any case the gearing in the c30/u30 is binding up. These were remotored years ago with mashima can motors, so the issue is not in the motor. You hear the gearing clicking, and growling. I think the click is from the clip that holds the truck to the frame and locks down the worm gear.
When I removed the motor from another unit and turned it into a dummy, it's ok but not free rolling due to the gear friction.
So the question I still wonder is if anyone has swapped the chassis for an atlas successfully?
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Post by bnsf971 on Sept 14, 2017 10:36:02 GMT -8
Clicking? Could be a cracked axle gear. Athearns will do this, though usually they aren't noticeable when they do.
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Post by lvrr325 on Sept 17, 2017 20:04:14 GMT -8
^ this. I'd want to see pictures of the drive, but I'm sure it could be fixed.
Still have no idea what the shell actually is, Athearn GEs are a scale foot too wide so I'm sure they'd fit on anything, if it's a Rail Power or some other shell then there's more likely to be fit issues.
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