i'm in need of help with coil gun, high voltage

[coilgunner]

looking for any help i can get with control and charging boards. my power is coming from a 12v 7ah battery the capacitors are 4- 450v 9800uf

 

[ronsimpson]

On this forum there are about 300 posts about 'coil guns'. Try searching.
There might be one or two designs on the web.

 

[coilgunner]

do you know anything about using the 555 timer in the charging circuit

 

[Sceadwian]

There are also forums specifically dedicated to this kind of project. Try the HV section of this forum, and be more specific.