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Having seen a 'chainsaw' instructable which was not a chainsaw, I started thinking. I had some Lego bits, including: A motor (4.5v) Some gear wheels Some chain links ...
These are the most tricky part, which is why I started on them first. If you examine Lego chain-links, you will see that they interlock with pins spaced ...
It's best that you work this out as you do this. Mount one tooth on one pin of a chain link, and secure it by clipping another link ...
I'm not going into details, this part is relatively easy. The pictures should give you enough information. I started with a direct-drive from the motor pinion, but later ...
Some paper was shredded, but there was some slippage where the steel motor-shaft should grip the black plastic pinion. Weedy, but concept proven. Some glue on the motor ...
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