K'nex Stephenson's Rocket - K'nex Train

Hey guys! I made a K'nex model of Stephenson's Rocket, once the fastest train in the world with a top speed of 30mph. I really like its iconic design and steampunk aesthetic. Enjoy my model, and have fun building it! I hope to do more train models in the future as well.

Here's the list of pieces you need for Stephenson's Rocket.

Rods:

Green (black) - 11

White (silver) - 16

White (black) - 2

Blue - 9

Yellow - 16

Yellow (grey) - 9

Mini Black - 10

Mini Grey - 7

Connectors:

Dark Grey (1 slot) - 39

Light Grey (2 slots) - 4

Orange (brown) - 8

Red (grey) - 8

Yellow - 4

Yellow (light grey) - 6

White (black) - 9

Blue Transition - 4

Misc. & Clips:

Y-clips - 61

Ball Clips - 1

Socket Clips - 1

Silver Spacers - 18

Blue Spacers - 2

Mini Transparent Spacers - 10

Round K'nexman Caps - 10

K'nexman Smiley Caps - 4

Small Close-Cap Wheel - 2

Medium Grey Wheel - 6

Large Grey Wheel - 2

Small Transition Wheel - 1

The boiler section was fun to build because circles are an uncommon shape in K'nex. The technique I used (doubling up two white connectors with y-clips to complete a circle shape) is one that Gworks uses frequently in his builds.

The chassis was difficult because it had to connect to the engine, which is a circle. I ended up connecting it to the engine block behind the boiler, and using the pistons to secure it.

The pistons, unfortunately, do not work. Pistons on train wheels is difficult with K'nex because the end sticks out farther than you can connect to. Since they weren't going to work either way, I made them as aesthetic as possible. The technical difficulty was connecting them to the wheels.

A big technical difficulty that showed up here, as well as in the pistons, is maintaining the cylindrical profile. The only pieces that small are wheels, which usually cap off. I ended up using miniature pieces to keep the cylindrical shape.

I may end up using this chassis design in future builds.

You're done! Attach the tender to the engine and enjoy Stephenson's Rocket.