Homemade Linear Actuator
TOOL:
PLANS:
None. For all tools with plans, click here.
BUILDER:
Andrew Lewis on makeprojects.com
DESCRIPTION:
Homemade linear actuator fabricated from a sewing machine bobbin. A 38 SWG, enameled, copper wire is wound on the bobbin to form a coil. The bobbin is wrapped in PTFE and a small plastic disk is glued to the bottom. A magnet is glued to a plastic rod and a small, copper spring is epoxied to the magnet. The spring/magnet/rod assembly is fitted inside the bobbin center.
RATING:
(1)
Apr 11, 2014 5:15 PM
DIYer
I don't have a project that requires this, but what a great contribution!
Oct 20, 2013 8:53 AM
daveward
How brilliant. Does your wife know she lost 32 bobbins???
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