It doesnt really work that well since the cannons don't shoot in a proper straight line. Once you get to know your gun, you know what to do to make it accurate.

www.mutr.co.uk for the uk. also they hav 5mm ones for 0.02p ea

Don't buy disposable camera's, get them free. If you go to a photo processing store and say do you have any used disposable cameras, they'll just give you them. They may not like the term "railgun" so call it a linear acelleration device, or just make up another reason. In my experience most people ...

Here's a few I've thought of
Ebola
Interceptor MkI
White Hole
Starch Thunder*
Whiplash*
Splinter*
Dread Cannon
Eradicator > I put obliterate into a latin dictionary and eradico came out
Vehementer > also from latin

*somehow i thought of these just by looking out the window

Be careful heating it too much, you may damage it. I agree with schmanman aluminium would be a lot better in most respects.

Demon, if you want to criticise people's spelling and grammar, make sure you can get it right first, please. So long as it's legible it doesn't really matter.

I wish I could get a stungun, bu i live in the uk , i've wanted one since i saw it on the internet when I was like 10. I have decided that instead of connecting them together, ill just hook them up to multiple spark gaps and trigger them at almost the same time with one button.

Use a 9v battery and 2 AAs, that'll give you plenty of power without the need for extra parts

I find it really hard to get flint sparkers so I don't use them. The BBQ ones are good because you can put them with the fan control in a fancy looking box. Not only does it sell for more, but it looks better for boasting purposes 8)

Does anyone know a way of connecting up (preferrably multiple) piezo cigarette ignitors? I am tyring to connect as many as 10 in series to give a 100KV spark. Any ideas on whether it will work? (yes I will fire them all at once)