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Muscle Wire Kits

Muscle Wires are thin strands of a special nickel-titanium alloy that actually shorten in length when electrically powered. They are easy to use, and they can lift thousands of times their own weight. The direct linear motion of Muscle Wires offers experimenters a source of motion that is very similar to that of a human muscle, providing possibilities not available with motors or solenoids.
This is an ideal material for making small, simple walking robots! Compared to motors or solenoids, Muscle Wires (also known as nitinol) have many advantages: small size, light weight, low power, a very high strength-to-weight ratio, precise control, AC or DC activation, long life, and direct linear action. These features let you create whole categories of amazing new devices that would be difficult or impossible to do with anything else.

Luckily for us robot hobbyists, there are great books available about making nitinol powered walking robots. The best part is that each of these books comes with all of the nitinol you need to make your own walking robot! Take a look at each book to see which one is best for you.

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