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Re: Anyone know a good fuel for a potato gun?

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Kerion is not online. Kerion
Joined: 24 Apr 2009
Total Posts: 18124
20 Jul 2012 12:20 AM
I'm designing one that is meant to launch a considerably heavier object, namely a sack of flour, and I don't think that hairspray will have enough kick. I want something I can get for not to much money and without breaking any laws.
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LLegomman is not online. LLegomman
Joined: 07 Dec 2010
Total Posts: 2522
20 Jul 2012 12:21 AM
Rocket fuel.
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evildump is not online. evildump
Joined: 09 Jan 2010
Total Posts: 234
20 Jul 2012 12:21 AM
Propane and propane accessories.
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syfyguy64 is not online. syfyguy64
Joined: 29 Jul 2011
Total Posts: 5613
20 Jul 2012 12:21 AM
Use a rock that weighs as much as a potato.

We are the Borg. Surrender your ships to us.
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Tekkit123 is not online. Tekkit123
Joined: 29 Apr 2012
Total Posts: 5357
20 Jul 2012 12:22 AM
[ Content Deleted ]
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zomgbbq is not online. zomgbbq
Joined: 30 Aug 2011
Total Posts: 6638
20 Jul 2012 12:22 AM
Potassium

from the potatoes
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evildump is not online. evildump
Joined: 09 Jan 2010
Total Posts: 234
20 Jul 2012 12:22 AM
Gasoline in a solid steel tube with a fuse.
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Kerion is not online. Kerion
Joined: 24 Apr 2009
Total Posts: 18124
20 Jul 2012 12:22 AM
I said fuel, not ammunition.
Propane would be a bit hard to rig up and may not end well for my purposes. But maybe butane...
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VerifiedScammer is not online. VerifiedScammer
Joined: 04 Jul 2012
Total Posts: 1109
20 Jul 2012 12:23 AM
Suffering and chronic and sustained cruelty.
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Kerion is not online. Kerion
Joined: 24 Apr 2009
Total Posts: 18124
20 Jul 2012 12:23 AM
I'd have to be really careful with the gasoline.
The solid steel tube is to expensive for what I'm doing though.
I was just going to fit a metal sleeve inside of a PVC tube.
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evildump is not online. evildump
Joined: 09 Jan 2010
Total Posts: 234
20 Jul 2012 12:24 AM
Tie bottle rockets to the potato.
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evildump is not online. evildump
Joined: 09 Jan 2010
Total Posts: 234
20 Jul 2012 12:25 AM
Gas in a plastic tube will explode and probably kill you.
If you want something powerful, you're going to have to spend money.
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Kerion is not online. Kerion
Joined: 24 Apr 2009
Total Posts: 18124
20 Jul 2012 12:25 AM
As to pressurized air, I'd have to rig up a pretty fancy pressure chamber for that to be effective for a 4 inch diameter tube, I need to keep costs down, I only have so much cash to work with.
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evildump is not online. evildump
Joined: 09 Jan 2010
Total Posts: 234
20 Jul 2012 12:26 AM
If you negotiate physics with a good enough base, You can use high-octane petrol to make a potato mortar.
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Kerion is not online. Kerion
Joined: 24 Apr 2009
Total Posts: 18124
20 Jul 2012 12:26 AM
Gasoline also doesn't have strong enough explosive qualities in the quantities I'd be using.
I could always extract the gunpowder from some of the old fireworks, of course that is a hard in itself.
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LLegomman is not online. LLegomman
Joined: 07 Dec 2010
Total Posts: 2522
20 Jul 2012 12:27 AM
If Mr. Potatohead saw this...
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evildump is not online. evildump
Joined: 09 Jan 2010
Total Posts: 234
20 Jul 2012 12:27 AM
Again, that would work with the mortar design, but you would need a lot of powder.
High-Octane fuel will do it.
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Kerion is not online. Kerion
Joined: 24 Apr 2009
Total Posts: 18124
20 Jul 2012 12:28 AM
... I'm going to wind up with a potato/flour sack howitzer at the end of this aren't I?
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evildump is not online. evildump
Joined: 09 Jan 2010
Total Posts: 234
20 Jul 2012 12:28 AM
Yes.
That village over there? They're going to have a bad day.
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mizzark77 is not online. mizzark77
Joined: 20 Mar 2010
Total Posts: 6369
20 Jul 2012 12:28 AM
poop
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Shmoops is not online. Shmoops
Joined: 02 Jun 2009
Total Posts: 1631
20 Jul 2012 12:29 AM
Dog milk
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outahere is not online. outahere
Joined: 17 Jan 2010
Total Posts: 4831
20 Jul 2012 12:29 AM
[ Content Deleted ]
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evildump is not online. evildump
Joined: 09 Jan 2010
Total Posts: 234
20 Jul 2012 12:30 AM
With gunpowder, there is sill a high chance of serious injury or death. He is using a plastic tube, if it shatters and flies at him, bang, he's gone.
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outahere is not online. outahere
Joined: 17 Jan 2010
Total Posts: 4831
20 Jul 2012 12:31 AM
[ Content Deleted ]
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Kerion is not online. Kerion
Joined: 24 Apr 2009
Total Posts: 18124
20 Jul 2012 12:32 AM
I can only get my hands on so much gunpowd... wait a minute, I have a bunch of sparklers.

If I ever actually get around to building this thing, want pictures?
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