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MV CoilMaster Mark1 Coil Gun


justin0469

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http://hackedgadgets.com/2009/05/07/mv-coilmaster-mark1-coil-gun/

MV CoilMaster Mark1 Coil Gun

Written by: Alan Parekhat 5:50 am. Filed under Complex Hacks, Cool Gadgets, Electronic Hacks, Insane Equipment

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Daniel Eindhoven sent in his latest creation, this is one killer looking coil gun! The laser effects are fantastic. icon_smile.gif

"Fully semi-automatic, up to 14 shots.

Capable of delivering over 18J kinetic energy, and speeds up to 110km/h! (42 gram projectiles).

It’s a single stage gun, using a 8800uF(4×2200) capacitor bank with max 400v (704J).

Max shot efficiency is 2.8% but reaches almost 4% at lower voltages.

Charge time for 300v (12J kinetic energy 396J capacitor bank) is 8 seconds for the mains connection,

and when using the internal batteries about 90 seconds. It also has a Digital voltage display.

Coil overheat after 14 shots at 300v.

Total weight: 5 kilogram.

Total spend: ~~ 100 Euro

Construction time: ~~40 Hrs"

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pretty wicked, but what's the 100 watt light bulb for?

in the link there are comments and answers

The bulb is used as charging resistor for the capacitor bank when using the mains connection. the higher wattage, the faster it charges. the problem with charging resistors is that they will dissipate a lot of energy, at this way it is safely dissipated which means less heat inside the gun.

maybe it’s not the best solution, but it was the easiest.

the bulb at the picture is 150W

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To be perfectly honest I have no idea what I'm looking at. I'm off to google...

this is a gun, that instead of gun powder, and a chemical reaction to propel a projectile, uses an electric current and electro-magnetic force..

edit: perhaps the proper term would be electromotive force? It's been a while since that chapter in physics...

Edited by magley64
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