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Forums
4hv.org :: Forums :: Electromagnetic Projectile Accelerators
4hv.org :: Forums :: Electromagnetic Projectile Accelerators
Electromagnetic Projectile Accelerators Forum
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Switching off parallel IGBTs in half bridge config
DerAlbi
Sun Dec 30 2012, 07:09PM		 4 1330 DerAlbi
Sun Dec 30 2012, 08:38PM
No unread posts
TVS Diode Failure
Maxwell
Fri Dec 28 2012, 05:03AM		 8 1936 Yandersen
Sun Dec 30 2012, 03:52PM
No unread posts
What would the most efficient single coilgun stage look like?
Yanom
Wed Dec 26 2012, 12:20AM		 9 1761 Yandersen
Fri Dec 28 2012, 02:56PM
No new posts on popular topic
Hybrid Coil Concept Go to page: 1 2
Maxwell
Tue Dec 18 2012, 04:13AM		 10 2651 Yandersen
Thu Dec 20 2012, 02:25AM
No new posts on popular topic
Zener vs Fast-Act Diodes Go to page: 1 2 3
Maxwell
Wed Dec 12 2012, 09:25PM		 27 4541 2Spoons
Tue Dec 18 2012, 10:48PM
No new posts on popular topic
Coil-gun Project, questions I couldnt fine answers to Go to page: 1 2 3
PlayNice
Mon Dec 10 2012, 09:15PM		 20 4431 Yandersen
Mon Dec 17 2012, 11:18PM
No unread posts
Half-Bridge Coilgun Exploding Rectifier Problem...
maruiwlt
Thu Dec 13 2012, 11:48PM		 8 1747 Yandersen
Fri Dec 14 2012, 07:13PM
No new posts on popular topic
Coil construciton: 80amp through 30aw wire? Go to page: 1 2 3
PlayNice
Tue Dec 11 2012, 10:31PM		 21 3466 Yandersen
Thu Dec 13 2012, 09:21PM
No unread posts
SCR Thyristor Commutation
Maxwell
Wed Dec 12 2012, 06:31PM		 6 1550 Yandersen
Thu Dec 13 2012, 01:00AM
No new posts on popular topic
Projectiles (and coils) should be short - but how short can you go? Go to page: 1 2
Yanom
Mon Dec 10 2012, 02:33AM		 10 3233 Yandersen
Wed Dec 12 2012, 03:53AM
No new posts on popular topic
Bigger caliber coilguns more efficient? Go to page: 1 2
Yanom
Sun Dec 02 2012, 02:22AM		 15 3316 Yandersen
Tue Dec 11 2012, 12:00PM
No unread posts
Concept drawing - reciprocating coilgun
Yanom
Wed Dec 05 2012, 03:13AM		 7 2297 josh1234
Thu Dec 06 2012, 09:36PM
No new posts on popular topic
Questions about projectile Go to page: 1 2 3
Pinkamena
Wed Feb 29 2012, 07:40PM		 21 4039 Steve Conner
Wed Dec 05 2012, 12:50PM
No new posts on popular topic
3-stage coil gun circuit Go to page: 1 2
Freelancer1331
Mon Nov 12 2012, 11:53PM		 13 4311 Freelancer1331
Sun Dec 02 2012, 07:05PM
No new posts on popular topic
SCR Trigger for Coil Gun Go to page: 1 2
fatboyslim
Fri Nov 23 2012, 09:56AM		 18 4853 fatboyslim
Fri Nov 30 2012, 08:40AM
No unread posts
Current Calculation ?
lauriethepigeon
Wed Nov 07 2012, 12:37PM		 4 1654 klugesmith
Tue Nov 27 2012, 05:35AM
No new posts on popular topic
Bens foray into building a cap bank with uzzors charger Go to page: 1 2 3
vk2fro
Fri Jun 17 2011, 02:18PM		 27 7661 vk2fro
Mon Nov 26 2012, 08:44PM
No unread posts
Magnetic Force Question
jonny5
Sun Nov 25 2012, 10:39PM		 2 1236 Saz43
Sun Nov 25 2012, 11:28PM
No unread posts
What would happen if a coilgun was built using AC current through the coil.
Yanom
Thu Sept 06 2012, 01:31AM		 8 2114 BigBad
Fri Nov 23 2012, 06:16AM
No new posts on popular topic
fast cap bank charger Go to page: 1 2 3
josh1234
Wed Aug 01 2012, 12:31PM		 21 4729 Ash Small
Tue Nov 20 2012, 06:17PM
No unread posts
Multistage Half-Bridge Coilgun: How to charge capacitor banks?
maruiwlt
Mon Nov 19 2012, 06:29AM		 5 1834 maruiwlt
Tue Nov 20 2012, 10:07AM
No new posts on popular topic
Efficient multistage coilgun Go to page: 1 2
Ben Solon
Tue Sept 18 2012, 05:31AM		 13 8194 EN
Tue Nov 06 2012, 10:52PM
No unread posts
Low power coils more efficient?
Yanom
Thu Oct 18 2012, 03:20AM		 2 1212 Pinky's Brain
Thu Oct 18 2012, 04:17AM
No unread posts
Noob question - why are coilguns often high voltage,low current instead of high current,low voltage?
Yanom
Thu Jun 07 2012, 01:08AM		 8 5990 Sulaiman
Sat Oct 06 2012, 08:22AM
No new posts on popular topic
Induced permament magnetic field in projectile and coils Go to page: 1 2
Pinkamena
Sun Apr 22 2012, 03:58PM		 14 3312 Yandersen
Fri Oct 05 2012, 03:34PM
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