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Reply to "MTH S Scale NYC F3: Preliminary Report"

Ted Sowirka posted:

Do these have a "China drive" (two vertical motors), or the single motor setup with gear cassettes for each truck like S-Helper Service used??  If anyone has had the hood off, what's the gear ratio, and what kind of motor is used?  Is it the ubiquitous Mabuchi 385?

A pic with the hood off would tell a lot.  Thanks!!

Ted,

Nope, no China drive.  The tach tape on the flywheel that MTH uses is visible behind the fuel tank underneath.

These aren't my locomotives and I remember the SHS shell was difficult to remove because of a tight fit, so I'm not going to chance it.  Sorry, no interior photo's.  I expect the gear ratio is the same as SHS's was, there would be no reason to change it.

Bill,

This is being a very organic process for me, I know enogh about each system to be dangerous.  I've checked the manual for specific information as I've needed it.  I accidentally found out they will run on DCC with the switch in the DCS position, however it is possible to lose sync between the front and rear A-units.  After moving the switch to DCC, I've done tests run with no problems.  of course, bumping along on code 100 track with HiRail flanges doesn't help.

I'll start scalifing the units tomorrow.

Rusty

Last edited by Rusty Traque

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