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 Posted - August 11 2012 : 10:31:39 PM
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This is a project I started earlier this year, using the unpowered metal Mack switcher kit from Wiseman Model Services.
The kit was most definitely designed without motorizing in mind, and there's so little space to work with that I wasn't sure if a powered truck, like the NWSL Stanton drive, would be able to fit in there. So I made my own chassis!
The motor, flywheel, and gearing is all NWSL. The chassis is made from K&S brass stock, and the wheels are Intermountain 33" semi-scale. The motor is very tiny, but it's got more power than most other tiny motors, and the 32:1 gearing makes sure it has plenty of torque. The whole thing just barely fits into the metal body, which only needed slight modification to clear the motor.
The flywheel was actually just a bit too tall and had to have the edge ground down, but it all fits! And today, I finally finished painting and assembling it!
I think it turned out great! The body rests on the axle's needle point bearings, and everything works smoothly. The full speed is 30-35 (I haven't measured it) scale MPH, and it's both extremely smooth and quiet! And with the weight of the metal body, it can pull half a dozen freight cars no problem!
And now, here's my collection of powered critters that I've finished so far:
Darth Santa Fe, doing weird and challenging projects for the fun of it!
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 Posted - August 11 2012 : 10:52:51 PM
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coool but I have a suggestion
Why don't you paint the M on the Macks?
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Posted - August 11 2012 : 10:53:38 PM
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Very impressive to design your own powered truck.
Alco Fan
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 Posted - August 12 2012 : 12:21:22 AM
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Awesome job, Darth! I know how tiny those Macks are, so I can't believe you fit not only a motor in there, but a flywheel to boot.
The Tyco Depot
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Posted - August 12 2012 : 03:47:52 AM
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Nice job Darth.
I like the design of your power truck.
That gives me an idea for remotoring some trolleys I have.
Ray
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Posted - August 13 2012 : 12:12:42 PM
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Gives me some twisted ideas on upgrading PT trucks
just me Ray... and just because I have Tyco doesn't mean I am not a model railroader
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Posted - August 14 2012 : 12:26:29 AM
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hah! That's superb. Love it! I need to start scavenging small motors again, but I doubt I'd find anything that stout. What a simple chassis design, too. I bet it has all sorts of uses 
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Posted - August 14 2012 : 09:14:45 AM
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quote:Very impressive to design your own powered truck.
Originally posted by Alco Fan - August 11 2012 : 10:53:38 PM
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The word I was looking for was innovative!
Alco Fan
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Posted - August 18 2012 : 2:40:02 PM
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WOW! Talk about stuffing the cab! LOL WOW!
Nice job tho!
~John
Many have tried to, and failed, ya just can't repair stupid...
Do NOT try to Idiot-Proof anything!!!! God, will simply create a better......IDIOT!
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