Coilgun circuit design question ( about N Channel Mosfet )

Hi,

I am building a coilgun , it worked already a few times but i fried some switches ( SCR ).

Now i am testing my circuit on a circurcuit design program to see howmany amps it draws , link: https://everycircuit.com/circuit/6744961819869184

I think i made the same scematic as the real one, but the Mosfet stays open and the capacitors dont charge in the circuit, i dont understand why?

Can someone please help me?

P.S: i used a N channel mosfet in the circuit cous the program does not include SCR ( thyristor )

Your schematic is too small to see. Its dark grey text on black is also impossible to see.
Please make your attachments here and not in a link over at "everycircuit".

Also, it is 160 x 160 which is very small. This is the best I can do with it that is not very good. You may also want to identify all of the components.;