Product Idea |

Wind-up Caterpillar

Working caterpillar model using a pullback motor for propulsion.

This was the third model of the winner entry for the TRIPLE contest, hosted by
More about the contest here:

Model Functions:
-wind up propulsion, or towing
-can be rolled up

-part count: 495
-size: 36,5 x 23,2 x 10,5 cm (without rear spike)

The winding-up works by pulling an axle which makes the wind-up gear mash with the gear of the main drive shaft. Rotating the axle adds energy to the pullback motor. By pushing the axle back, the wind-up gear releases the main drive shaft and the model starts moving.

More pictures can be found here.

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