x
Free 50 Must Read Homemade Tools ebook

Join 11,264 of us on the Homemade Tools forum, and get your free 50 Must Read Homemade Tools ebook.

100% free, and we never spam

Homemade Linear Actuator

Featured forum tools (updated June 27th, 2016)
Adjustable stands.    1. Adjustable Stands

2. Dremel Router Base

3. Aluminum Holding Clamps

4. Hand Vise

5. Drill Bit Stand
   Pipe tamper.    6. Pipe Tamper

7. Spring Loaded Center

8. Jigsaw Table

9. Tow Bar

10. Lathe Tool Organizer

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)
Post a comment
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???
Read all comments
Rate this build:
CATEGORIES:
Want a plan?
6 users requested a plan

Advertisement


2 comments
DIYer says:
Apr 11, 2014 5:15 PM
I don't have a project that requires this, but what a great contribution!

daveward says:
Oct 20, 2013 8:53 AM
How brilliant.  Does your wife know she lost 32 bobbins???

Related Homemade Tools:

Signup for our newsletter and get the 50 Best Homemade Tools eBook free!