Awesome homemade Coil Gun – office warfare to change forever…

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coilgun_00If you, like us, work in an office that seems to actively encourage the use of USB powered missile launchers, nerded up Nerf Guns and rubber band machine guns, this homemade coil gun may be perfect for you. While it is appropriately unable to really hurt anyone, it will certainly still let you know that you have been hit as it fires a 42g projectile at about 110kmh. It has a magazine of 14 rounds (enough to get to the coffee maker and back) and it cost about 100 Euro to put together over the course of a weekend.

Full specs from the website are:

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

Read on here for more pictures, details and all the rest.

[via Engadget]

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About RupertG

RupertG has been playing roleplaying games ever since he discovered Dragon Warriors at the age of 12. Since those days he has played many different RPG's, collected not insignificant Dwarf and Tomb Kings armies for Warhammer Fantasy Battles and even worked as a games designer in the heady days of the late 90's building a CCG. Now he runs a gaming blog and is a participant in the Grand Gaming Experiment
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  • mardo

    Not sure I could get this past the OHS guy at work :P

    • http://www.diceofdoom.com RupertG

      LOL… I imagine there’s quite a list of office offensive stationary that could cause the OHS rep a few headaches…

  • mardo

    Not sure I could get this past the OHS guy at work :P

    • http://www.diceofdoom.com RupertG

      LOL… I imagine there’s quite a list of office offensive stationary that could cause the OHS rep a few headaches…

  • Luke M

    this is brilliant i tryed makeing one but it failed, iwas unable to get it working. i think it was something to do with wire.
    any chance you could e-mail me a copy of the plans/circut diagrams? (polaroid_600@hotmail.com)

  • Luke M

    this is brilliant i tryed makeing one but it failed, iwas unable to get it working. i think it was something to do with wire.
    any chance you could e-mail me a copy of the plans/circut diagrams? (polaroid_600@hotmail.com)