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It has a name!

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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Unread postAuthor: D_Hall » Fri Jul 31, 2009 9:17 am

LOL... Actually, we do. But the keys are built into our facility and since they aren't required to be turned simultaneously... Well, one person could do it. :)
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Unread postAuthor: Freefall » Wed Aug 05, 2009 1:23 am

I've been gone a while, and just stuck my head in on a whim. As a fellow Firefly fan, I have to say good choice on the name!
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Unread postAuthor: mark.f » Wed Aug 05, 2009 4:32 pm

Freefall wrote:I've been gone a while, and just stuck my head in on a whim. As a fellow Firefly fan, I have to say good choice on the name!


Hey there Freefall. Good time to peek in.
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Unread postAuthor: ryno » Mon Aug 10, 2009 1:30 pm

Wow. I havent been on here a long time, and I see D_Hall and Freefall... feels like the old SpudTech forum.
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Unread postAuthor: c11man » Mon Aug 10, 2009 1:41 pm

so is there a different thread discribing the cannon cuz everyone else seems to know alot more about it than me....
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Unread postAuthor: D_Hall » Mon Aug 10, 2009 5:31 pm

On the old Spudtech forum there was an entire thread wherein I kept a running commentary as I went through the initial design process. Mind you, at that point it was all just talk. There was little if any expectation that anything would ever come of it. Still, it was fun to sit around and BS concepts with ya'll.

Point being: There are archives around here somewhere, I believe. You might try there. The words to look for are "Pipe Dream."

Then one day I got funding to actually build it. Since then, much has changed. After all, I had to really worry about whether or not the gun would work in practice, not just in theory. All the little details like "can I even reach that bolt?" needed to be answered. Blah blah blah.

Suffice to say that the basic gun design still looks like the pic on page one of this thread. Well, more or less. Again, there've been changes, but they're fine points to the design not gross concept mods.

Beyond that... The design goal was/is a 100 lbs projectile to 1000 fps.

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Unread postAuthor: c11man » Mon Aug 10, 2009 5:38 pm

oh i c, is that a breech loader on this thing?

and what diameter is those chambers?
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Unread postAuthor: D_Hall » Mon Aug 10, 2009 5:41 pm

Yes, it's a breech loader. It's basically a giant break action shotgun.

Chambers are 30" in diameter.
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Unread postAuthor: c11man » Mon Aug 10, 2009 5:57 pm

D_Hall wrote:Yes, it's a breech loader. It's basically a giant break action shotgun.

Chambers are 30" in diameter.



that is funny, the largest cannon ever and its a breach loader! and 30inch that f'n huge man! how many cubic inches you got it that beast?
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Unread postAuthor: Moonbogg » Mon Aug 10, 2009 7:03 pm

Whoa. If your kids get on your nerves this could become a child disappearance machine :lol:
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Unread postAuthor: c11man » Mon Aug 10, 2009 7:51 pm

they would realy not like that, neithr would socail services, or the cops, or anybudy
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Unread postAuthor: D_Hall » Tue Aug 11, 2009 1:19 am

c11man wrote:that is funny, the largest cannon ever and its a breach loader! and 30inch that f'n huge man! how many cubic inches you got it that beast?


Why is it funny that it's a breech loader? When something gets that large, muzzle loading isn't very practical. It almost HAS to be a breech loader.

And cubic inches? LOL... Put it this way, I'm in excess of 275 cubic FEET.
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Unread postAuthor: jackssmirkingrevenge » Tue Aug 11, 2009 1:34 am

D_Hall wrote:Why is it funny that it's a breech loader? When something gets that large, muzzle loading isn't very practical. It almost HAS to be a breech loader


Npt necessarily ;)

Whoa. If your kids get on your nerves this could become a child disappearance machine


That sounds too sinister, how about "Intercontinental Ballistic Infant Relocator" :)
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Unread postAuthor: inonickname » Tue Aug 11, 2009 1:52 am

"Taking post-natal depression to all new levels"
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Unread postAuthor: jackssmirkingrevenge » Tue Aug 11, 2009 1:54 am

inonickname wrote:"Taking post-natal depression to all new levels"


I think you'll find it's post-natal elevation :D
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