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Tired of your knex motor draining your batteries? Try this instructable
learn how to make your knex motor faster and more powerful using a 3 volt adapter

Step 1: Materials

A Knex motor,
An adaptor with multiple voltage selector,
1 meter of wire,
scissors,
tape,
screwdriver
Good idea, but what is gained in power and speed must be dropped in reliability, I tried some thing like this once with a 3volt adaptor, the motor burnt out within 5 minutes of running
nice one
Thanks for all the comments!
Thanks so much! Finally!
Nice ible! 5stars

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