Mechanics and Construction > Mechanics and Construction
Artificial Muscles from Nylon Monofilament
WriterOfMinds:
I've got another official update on this, finally. I was able to get one of my muscles to contract and relax with electrical heating. http://writerofminds.blogspot.com/2014/03/its-time-for-some-updates-on.html
WriterOfMinds:
Another update, and this one has videos of working muscles! I also discuss the different types of heating element that I tried out. http://writerofminds.blogspot.com/2014/03/diy-fishing-line-artificial-muscles-iii.html
jwatte:
I've been wondering if someone could build these muscles on the inside of a tube, and run hot/cold oil or water through the tube to contract/expand. At the top of the tube, you'd have entry of both a hot-oil and cold-oil recirculating system, and you'd use a vent to let one or the other in to expand/contract.
WriterOfMinds:
Another update, finally! http://writerofminds.blogspot.com/2014/05/homemade-artificial-muscles-iv.html
The muscles are getting pretty good. I think I'm almost ready to build some for an actual application.
@jwatte: The original university research team did do a hot water/cold water setup, with some impressive results: they lifted 30 lb. with a bundle of four muscles. See one of the videos here: http://io9.com/scientists-just-created-some-of-the-most-powerful-muscl-1526957560
WriterOfMinds:
Work on the artificial muscles continues. I have an update planned for tomorrow with some data on how much weight they can lift and how far, but before I get to that, there's some little stuff. First, I made a gigantic muscle out of nylon trimmer line, and it worked -- further expanding the possibilities for making these at home. Second, I have some observations and speculations about why the coils of the muscles sometimes "flatten." http://writerofminds.blogspot.com/2014/08/homemade-nylon-artificial-muscles-v.html
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