A new chassis for a Bachmann U33B
#7
Then the sides were soldered to the frame and then all the seams were soldered.

   

This is the frame after all the seams were filed.
The next installment will be the air tanks.

   

The air tanks were made from two 1" lengths of 7/32" brass rod (a float arm from a toilet).
The ends were shaped with a file as they turned in the lathe.
.020" holes were drilled in the ends for the air lines to be inserted into.
The tanks were then soldered to the mounts.

   

The fuel tank was filled with ballast (I used some shot from an old shotgun shell)then the filler hole was sealed with caulking.

   

The trucks and motor were installed and wired.

   
Ray Marinaccio


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