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A place to ask general spud cannon related questions.
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Unread postAuthor: boom_o_matic_2.0 » Sun May 03, 2009 6:27 am

I've got my tactical bbmg ALMOST DONE! and soon after I get it done I'm gonna get make it completely portable. =]
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Unread postAuthor: jackssmirkingrevenge » Sun May 03, 2009 10:16 am

inonickname wrote:Making the bottle last 3+ seconds


Who cares, it certainly has potential :D see, individual holes in a pellet tin, tough stuff, and that's at 500 psi :)
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Unread postAuthor: Ragnarok » Sun May 03, 2009 1:06 pm

Okay, what I'm trying to do is work out the electronics for HEAL 2, which is more complex than I thought it was going to be. I'm great with basic electric theory, but start asking me to do anything more sophisticated... and it kind of breaks down a bit.

I'm not helped by my skills at Teflon soldering (i.e. completely non-stick).
I'm fine with pipe soldering - electronic soldering... nope.

Jebus help me if I finally get around to making a complex coilgun.

It's not essential that I get this electronics sorted, but I figure it'll be neat if it works - I'm not sure the idea has ever been applied to a spudgun before, and so I guess it'll be unique.
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Does that thing kinda look like a big cat to you?
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Unread postAuthor: Carlman » Tue May 05, 2009 4:56 am

Holy shite marbles go fast at 300 even with a 35cm barrel :shock:
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Aussie spudders unite!!
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Unread postAuthor: boom_o_matic_2.0 » Tue May 05, 2009 2:21 pm

I got it done and it works! My tactical bbmg is fully operational. I"m not posting it on here til I get it painted though. I should do that tonight and have it on here my tomorrow. =] its proud of it.
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Unread postAuthor: boom_o_matic_2.0 » Fri May 08, 2009 9:11 pm

I'm starting plans for my sniper model 2. its gonna be a piston valve. (2nd attempt at a piston, lets hope it goes well) I"m hoping for more power and alot better placement of parts. if you've seen my first one you'll understand I didnt exactly put the schrader in an easy access spot. lol
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Unread postAuthor: inonickname » Fri May 08, 2009 9:28 pm

Well I'm a bit annoyed. After turning a perfect hole in the middle of the coupling and epoxying it isn't straight. Trust gravity and 2 degrees. Should have done a press fit, stupid me.

Well now it's either smelt the epoxy with a torch or give it a break. If I cut the barrel down any more it will be too short to be effective.

I'll probably just wait till I get a lathe, buy a milling attachment for it and use the materials I have to build a PCP. Mum also has an old soda stream bottle (fizzes water) that they no longer re-fill. I was thinking 500 psi+ pressure chamber..she's not too keen so I'll keep an eye out for a small fire extinguisher.
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