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Acceleration of a projectile in a coil gun/Timing the firing of the coils


Eli Rhyne

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I am a high-school student of the sophomore year and I have a project which is I want to make a coil gun that is 3 stages and I want all three coils to each be powered by its own capacitor. I want to specifically know how to time each coil which i would find more precise than an IR system(if i'm wrong please correct me) the coils will be about 2-1/2 to 3 inches apart(if there is a better way to space them tell me) and my projectiles will be 6 mm .89 gram steel bullets. I'm open to suggestions. I have limited funds but have access to drafting software and basic soldering and electronics skills but my knowledge is limited.

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  • 2 weeks later...

Welcome here!

 

IR for infrared? It can be quick. I'd prefer a position detector over a timing, because you can't predict accurately how strongly the projectile accelerates.

 

"Basic soldering and electronics skills" would be a very serious limitation for this project. A coil gun is full of less-than-trivial electromagnetism and power electronics.

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