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44-tonner Cow and Calf

This took most of the morning and into early afternoon, but only because in addition to making it into a calf, I removed the motors and boards, making in a dummy calf.  Reason: the motors are identical to those in EZ-Street vehicles but have a flywheel.  Since I have a powered "A" unit, I could make this a dummy and get two flywheel motors to play with:'Streets vehicles benefit a lot from having a flywheel, the only deficiency I see in their design, frankly.  I have fit larger motors with flywheels, but a stock size motor with flywheel will come in handy.  I removed the boards, too, for use elsewhere and another time.  

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Here they are moving . . .  

 

I am generally pleased with the result of how the calf looks.  I will probably order vinyl sticerk numbers in the ATSF font for "465b" for it. 

 

REMOVING THE MOTORS WAS A MISTAKE.   Before modification, I briefly ran the pair (both converted to series motors) together and with both powered they were a sweet pair, pulling six cars and a caboose nicely.  But now, with only a single powered unit, and it with only two driven axles, it can pull its equal-weight partner calf, and only one or two cars around 36" curves, before it spins its wheels - and it spins them badly trying to get up a 3% grade - badly.  Not a good train.  But it looks good, and fun, and it was a fun project. 

 

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I had a couple of request for pictures during the conversion, so . . .

 

Start by removing the four screws (red arrows) and releasing the four hook tabs that hold body to chassis (yellow arrows).  The body pulls off.

 

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But the body won't go very far because of the wires attached its light to the chassis.  I converted this puppy to series motors previous, hence the two wires you see on the motor control board sticking up, cut. 

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The cab removes from the body.  Just pull it out at both sides and it pushes off . . . 

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I removed the signel figure and mounted it as a second operator in the other 44-tonner.

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I made the follow cuts.  At the top, widening the gap enough to get past the end partitions, so I have clear air to inside right below the body roof.  At the sides, I trimmed the plastic a bit.

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I built a bridge across the top, from under both sides of the body casting, using white styrene sheet cut to size. 

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And sdid similarly at the sides.  

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I cut, fit, and grooved a 1/10 inch piece of styrene to fit as the top, seen here. 

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I made sides as seen here, this is white styrene too, just from a piece that was painted flat black on one side.  I scribbed panel seams and attached tiny door handles . . . 

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The stacks pried right off the cab casting.  I cut each (black part below) and glued 1/2 of a plastic tube (5/16 dia) and sanded and smoothed the seams a bit . . . 

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And attached them in place.

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Then masked the past I won't repaint . . . 

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Priming it (Rustoleum spray gray) 

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Initially I did it flat black, but that was too flat . . . I went ahead, mounted it, and completed the railings.

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Then went back and removed the body, remasked, and sprayed it satin black. Silver line at the top was hand painted. 

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Last edited by Lee Willis
Original Post

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