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Old 12-24-2007, 04:19 AM   #3 (permalink)
cfg83's Avatar
Join Date: Dec 2007
Location: Southern California
Posts: 5,864

1999 Saturn SW2 - '99 Saturn SW2 Wagon
Team Saturn
90 day: 40.49 mpg (US)
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Hello -

This makes me wonder if "muscle wire" could be used by one of us to achieve the same result.

Shape memory alloy

Muscle Wire & SMAs

Muscle Wire Kits

Ooooooooooo, who needs Detroit, I just found the springs! :

NiTi Springs - Tension - $41.95
Tension - When cool, can be extended to 14cm. Heated, contracts to 29mm overall. With 350 gram hanging mass shrinks from 60mm long coil (cool) to 30mm long (heated) with 2 Amps. 6mm coil, 750 ┬Ám wire, activates at 45-55┬░C. Four pieces per pack. Use several in series for greater distance, or in parallel for greater force.
Man, this is giving me Spring Fever!!!!!!!!!!

Spring Fever

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