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3 axle trucks
3 axle motor trucks
About this creation
A three axle truck for locomotives needing 3 wheel set motors. The motors have a third wheel set hinged to the motor body using 2x3 plates with hole and a technic pin. The stacked 2x3 plates with hole give the attached wheel set mass and keeps the link between the wheel set and the motor solid so as to maintain the illusion that it is a solid unit.

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   A view of both trucks. The hinge method keeps the illusion that its a solid unit and the details on the 3rd wheel set closely mirror the decorative sides of the motors

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   The hinge is made up of stacked 2x3 plates with hole

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   The hinge is almost completely solid top to bottom

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   The gap allows a technic pin to be sandwiched between

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   The top portion of the pin forms the hinge point and the stacked 2x3 plates with hole provide stability.

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   Another view showing the 3rd wheel set and the hinge. Notice the 2x2 round plate. It allows for the hinge to pivot but still give mass to the hinge.

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   The conection to the motor is made with another 2x3 plate with hole

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   Some pieces removed to show how it is constructed


 I like it 
  June 9, 2016
Im not into trains, but it is really great to read in the comments that this is one of the more useful MOTDs, great job!
 I like it 
  June 23, 2015
Nice simple solution for stock lego curves! Thanks for sharing!
 I like it 
  March 16, 2014
 I like it 
  March 16, 2014
Congrats on MOTD! 5/5
 I like it 
  November 10, 2012
This is a great design! I used it in one of my creations (giving credit to you), and will most likely use it again. It is THAT useful! So, thank you for the design idea.
 I like it 
  October 16, 2010
Mike Kollross
 I like it 
Paul Beach
  May 28, 2007
These should prove very useful.
By Mike Kollross
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Added December 16, 2003
 You are at the beginning of this folder. 7 Wide Locomotive
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