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Registered Member #1805
Joined: Sat Nov 08 2008, 06:29AM
Location:
Posts: 67
rp181 wrote ...
Not to put you down, but that app seems kind of pointless to me. You need to know the information in the first place to get your input value( projectile speed, joules). Keep at it, and you can make some nice programs. I made one awhile back, some fields are extra ( I use it to export data) but the formula's are right.
I am kind of confused by this thread, all i see is a railgun, but no coilgun.
Good luck.
The reason why you dont see a coilgun yet is because I've built coilguns in the past but only one really crap railgun that hardly worked. So I'm working out how to shoot a round coilgun projectile into a railgun. I've basically worked out what I'm going to make now though, Ill post a few pics I made in Pro Desktop. Oh and the rails are going to be brass.
banned on 5/26/2009 Registered Member #1877
Joined: Mon Dec 22 2008, 02:03AM
Location:
Posts: 147
rp181 wrote ...
Not to put you down, but that app seems kind of pointless to me. You need to know the information in the first place to get your input value( projectile speed, joules). Keep at it, and you can make some nice programs. I made one awhile back, some fields are extra ( I use it to export data) but the formula's are right.
I am kind of confused by this thread, all i see is a railgun, but no coilgun.
Good luck.
before i reformatted, i made a program that would graph the trajectory of a bullets flight path, given a bullets weight, projectile speed, projectile shape, and it even calculated the ballistic coefficient. given the diameter and length. i lost it when i reformatted after a frustrating virus took over :( . i would rewrite it but im too lazy now. and guitar lord, that design looks really good, good luck with it.
Registered Member #1805
Joined: Sat Nov 08 2008, 06:29AM
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Posts: 67
Should I make the coilgun barrel go into the rails by about 50mm? (The rails are going to be 200mm long) I saw on a thread around here that you "block" the first part of the rails to get the magnetic forces behind the projectile when the high voltage kicks in.
banned on 5/26/2009 Registered Member #1877
Joined: Mon Dec 22 2008, 02:03AM
Location:
Posts: 147
yes you need to insulate the firts part of the rails, or else when the projectile contacts, it will possible kick in the opposite direction before the force is overcome by thye inertia of the projectile. thus pushing it past, but decreasing output speed and efficiency.
Registered Member #1805
Joined: Sat Nov 08 2008, 06:29AM
Location:
Posts: 67
hotcrazyfruit wrote ...
yes you need to insulate the firts part of the rails, or else when the projectile contacts, it will possible kick in the opposite direction before the force is overcome by thye inertia of the projectile. thus pushing it past, but decreasing output speed and efficiency.
Thanks for all your help I'm going to be building the railgun barrel very soon.
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coil + rail gun
I'm going to be building the railgun barrel very soon. 