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-   -   USA trains Heavyweights (https://forums.mylargescale.com/21-rolling-stock/90710-usa-trains-heavyweights.html)

derPeter 07-23-2020 10:42 AM

USA trains Heavyweights
 
3 Attachment(s)
Hallo MLSers,
i have got my 5 UP-cars and they did not fit with the aristos in height.
Couplers are too low, so i made new holding device.
Trying to remove the truck, there are the 2 wires for light going thru the truck. so i had to unsolder. Also turned the wheelflanges to 2mm to run at 5mm track, see the pics..
Greetings derPeter

Greg Elmassian 07-24-2020 03:00 PM

People have also put Kadees "inside" that u-shaped bridge.


The short wires are indeed a pain in the butt.


with the nice electronics, you can easily eliminate one set of pickups, and the reduction in rolling friction is dramatic.


My buddy and I both bought the 10 car set (I run 12 cars) and stringlining has been an issue with the rolling friction.



Camarillo Pacific makes the Kadee mount.


We are going to change the carbon brush pickups to ball bearing pickups.


They are great looking cars, except for the threaded bolt visible in the center of the observation car


Greg

derPeter 08-27-2020 03:58 PM

2 Attachment(s)
Hallo again,
got some small ballbearings 1/4" x 1/8" (6,35 x 3,175 x 3mm)
only 8pcs. per car, because the middle axe is loose.
The brass bushing can be easy removed with M3 thread tap.
Axle has 2,8mm dia, so i made small sleeve from alu-sheet, see pic
And added the kadees #820
Greetings derPeter

Greg Elmassian 08-27-2020 04:51 PM

What do you mean about the wheel flanges, did you turn down the flange width or depth?


what does "run at 5mm track" mean? Surely your track is not 5mm wide. ;)


In any case, your coupler mount is very much like the Camarillo Pacific ones, of course, a good solution.




Thank you for the tip on the bearings. I'm going to take a different route because I want power pickup, but the friction losses I am seeing are coming from the carbon brushes, so converting to Train-Li ball bearing wheels with the power pickup and eliminating the carbon brushes.


Greg

derPeter 08-27-2020 05:37 PM

Hallo Mr. Greg,
wheel flange originally is 3mm depth, so i turned down to 1,8mm depth to enable run on track with 5mm height (Euro-Standard, Märklin and others)
greetings derPeter

Greg Elmassian 08-27-2020 09:46 PM

Thank you!


Sorry, forgot the height, duh! We would refer to that as code 200, yes, the flanges were probably riding on the "spikes".


I try to shoot for 2mm flange depth myself...


Greg


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