February 2007
Intermediate to advanced
190 pages
7h 51m
English
Changing the temperature of nickel wire turns heat into motion.
You will need: A bit of low-Curie nickel alloy wire, 1" or larger neodymium “super magnet,” copper wire, birthday candle, brass screw and nut, small steel plate, glue or wood screws, 4"×¾" wooden slat, 2"×1¼"×½" wood block. Nickel wire and magnet, or a full kit, are available for purchase at makezine.com/go/heatengine.
Glue or screw the steel plate and 4" slat to the wood block base as shown below. Drill a pilot hole, and screw the brass screw at the top of the slat. Drill a ¼" hole in the base about 7/16" from the steel plate end. For complete measurements, go to the website listed above.
Wrap about 1" of nickel alloy wire around ...
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