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Cooking up a little something...

Post questions and info about hybrid (compressed gas with fuel) powered cannons here. This includes discussion about fuels, ratios, ignition systems, build types, safety, and anything else relevant.
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Re: Cooking up a little something...

Unread postAuthor: mark.f » Mon Jul 01, 2019 10:19 am

Hey, nice freakin work Moonbogg! I don't think I've seen a cannon from you since your photobucket/tinypic/whatever it was stopped working. :D How much easier was this build without using only hand tools like for the Striker?
Moonbogg wrote:I'm going back to try out my new bike pump, so I'll find an old board or something and shoot the thing with a can of soda. Also, I had to set my iphone in a coffee mug to hold it up since I don't have a tripod and don't make videos normally, so I suck balls at the whole youtube thing.

Those tiny ones with the flexible legs made out of lubricant hose for machine tools are nice enough to throw on the outside of a backpack, plus there are a number of things you can mount on them like antennas/mirrors/etc.

Good to hear from you again, I'll be free in less than a month to start building stuff again, hopefully I'll still be sticking around.
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Re: Cooking up a little something...

Unread postAuthor: Moonbogg » Tue Jul 02, 2019 12:46 am

Thanks Mark! This cannon would obviously be pretty impossible to make with a drill press and hand tools, which is also the reason why the Striker looked cool but totally sucked in terms of function. Even so, this cannon took a ton of hard work and effort. It took a lot of aggressive sanding, buffing and honing because not everything was machined.
I left the ID’s of the brackets in the water jet condition and the barrels weren’t machined. Machining all those surfaces would have made the fit and finish easier and nicer, but could have also nearly doubled the cost of the cannon, so some sacrifices had to be made and then compensated for with ball busting grunt work in the form of sanding and honing. Maybe my next cannon I’ll be able to implement the lessons learned and machine everything for a super nice fit and finish with anodize and everything. In fact that’s how the next cannon is likely to be: an accumulation of all lessons learned from all my previous cannons in a no compromise implementation. There’s always room for improvement.
I’m already thinking of ways to improve the next one and have ideas for what to do. All in all this last one ended up being pretty special.
I hope you get around to making something to share with us. This is a great hobby for many reasons and sharing our work counts for a great deal of those reasons.
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