Directory:Linear Magnet Accelerators
From PESWiki
Directory of designs in which magnets are oriented in such a way as to cause acceleration along a linear path. It is sometimes a precursor concept to a magnet motor design in which the loop is closed, resulting in rotation and usable torque.
The question in a linear accelerator is if the net acceleration is greater than the entrance/exit energy, resulting in a net energy gain. The practical question is how to embody the phenomenon in a usable mechanism. It usually is just a physical demonstration of an interesting phenomenon, with no practical value as embodied.
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Commercial
Magun
- http://www.magun.co.kr - company site; appears to sell some of these linear accellerators
(43 sec)
- science-magnet accelerator - (YouTube (http://www.youtube.com/watch?v=i6JCzkSAc5E); May 15, 2007)
(55 sec)
- really long gaussian gun - (YouTube (http://www.youtube.com/watch?v=I0OZ7-PbGBE); May 16, 2007)
Plans
Gaussian Gun
(4 sec)
- Double Gaussian Gun - (YouTube (http://www.youtube.com/watch?v=epf1AUvG32M); February 04, 2007)
- http://dangerouslyfun.com/gaussian-gun - This simple gaussian gun is a toy that uses magnets to shoot a ball bearing with surprising velocity.
- Place the neodymium magnets (available at K&J Magnetics) on the track and place four or five ball bearings in a line touching one side of the magnets.
- Place one more ball bearing on the opposite side of the magnets, far enough away that it isn’t pulled toward the magnets.
- When you are ready to fire it, nudge the single ball bearing so it slowing rolls toward the magnets.
- You can also set several of these up in a chain; each one will fire the next with increasing speed.
Gaussian Guns
- See Magun above.
- See Double Gaussian Gun above
The Worlds First Real Gauss Rifle
(51 sec)
- The Worlds First Real Gauss Rifle - The 8 Neodymium Magnets are 1/2" cubes with a 3/16" hole. and attached to the rail with brass screws. (YouTube (http://www.youtube.com/watch?v=rLszM25YA70); March 24, 2008)
- http://youtube.com/watch?v=e0pAHF1yamg - Gauss Pistol
My Gauss Riffle
(21 sec)
- My Gauss Riffle - This is a gaussian rifle(a magnetic linear accelerator), and it shoots a ball using nickel balls and 4 neodymium magnets. I'm shooting it at a little target that broke after shooting it . (YouTube (http://www.youtube.com/watch?v=6SkbKosUHLE); January 12, 2007)
cisco7239
(7 sec)
- Linear Magnetic Accelerator - Launching projectiles with magnets :)...linear magnetic accelerator (YouTube (http://www.youtube.com/watch?v=POTK-bq7fbg); Jan 12, 2007)
- http://www.youtube.com/user/cisco7239
Narrowing Tracks
(5 sec)
- Bar Magnet Gate - Linear Magnetic Gate, as described by Howard Johnson in 1938. (YouTube (http://www.youtube.com/watch?v=o6F9I5OiSTE); February 24, 2008)
- http://www.youtube.com/user/Sm0ky2 - more, similar videos
Tri-Force Gate
- http://www.youtube.com/watch?v=gzNyzSS3BYs - Sm0ky2's Extended Tri-Force Gate (x4)
- http://www.youtube.com/watch?v=tO7AA7IKonU - CLaNZeR Playing with the Tri-Force Gate Part8
Other Prototypes
eisenson
(26 sec)
- Magnetic propulsion technology demo - Toy vehicle is propelled by a traveling magnetic field - with no mechanical slots or guides. The field provides lateral control as well as propulsion. Patent-pending motion control technology. (YouTube (http://www.youtube.com/watch?v=gPYRdqv6KZA); May 28, 2006)
- http://www.youtube.com/watch?v=_L3zzVBn774 - similar video; elevated track
- http://www.youtube.com/user/eisenson - Eric's user page.
PerpetualMotors.com
(6 min 49 sec)
- New Energy Invention - Magnetic Motor - "This video clip shows how a freestanding device can be built to generate power using nothing but natural magnetic forces, using only magnets, two plastic strips, and securing components. This is only a proof of concept video. There are many variables to be worked out, but the potential is clearly demonstrated." (Google Video (http://video.google.com/videoplay?docid=3940623695814013717); Mar 26, 2008)
- http://www.PerpetualMotors.com - official website
Magnetomotive
(1 min 9 sec)
- Discovered new source of power and propulsion - Video demonstrates working prototype of 2MS linear motor that harnesses energy of Earth’s magnetic fields. (Google Video (http://video.google.com/videoplay?docid=6320555275620307180); Jun 15, 2007)
- http://www.geocities.com/ageofmagnetizm/magnetomotive.html - Magnetorefractive motive systems
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