Xref: utzoo sci.electronics:18881 rec.pyrotechnics:2617 Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!samsung!munnari.oz.au!yoyo.aarnet.edu.au!sirius.ucs.adelaide.edu.au!levels!yaadmin From: yaadmin@levels.sait.edu.au Newsgroups: sci.electronics,rec.pyrotechnics Subject: Re: How to make a RAIL GUN? Message-ID: <16070.27f1ca0d@levels.sait.edu.au> Date: 28 Mar 91 01:18:45 GMT References: <27EE910A.10011@ics.uci.edu> Organization: University of South Australia Lines: 35 In article <27EE910A.10011@ics.uci.edu>, alleyne@olympus.ics.uci.edu (Brian Derek Alleyne) writes: > Use the same principle as a linear accelerator. I once shot a bb about > fifty feet using a tube and 8 coils. > > > > c c c c c c c > -=--=--==----===------===----------===---------------===-- > -=--=--==----===------===----------===---------------===-- > c c c c c c c > 1 2 3 4 5 6 7 > > c = coil wound with thick copper wire > > = = Ferrite or soft iron ring around which the coil is wound > to increase the magnetic field. > > Each coil from left to right is energized in sequence, and should > be timed to turn off as the projectile reaches it. > > (Rest of article deleted) This looks like it'd be fun to make...:-) How about some dimensions? i.e Tube diameter/length Coil diameter/#turns Voltages/currents Driving circuitry Muchos Gracias in advance ============================================================================= Robert Lacina yaadmin@levels.sait.edu.au ============================================================================= DISCLAIMER: Insert your favourite disclaimer here ->[] Please write legibly.