potato guns.

[cc]z@nd! · Post by **[cc]z@nd!** » Mon Jul 16, 2007 8:46 pm

so, afer a semi-successfull potato cannon construction, i'm wondering what your guys' opinions are, if you've built any, experiences, advice, etc.

noscottno · Post by **noscottno** » Mon Jul 16, 2007 8:57 pm

I started to, but my parents wouldn't let me because it's illegal in Cali.

Sgt.Peppers · Post by **Sgt.Peppers** » Mon Jul 16, 2007 9:03 pm

[cc]z@nd! wrote:so, afer a semi-successfull potato cannon construction, i'm wondering what your guys' opinions are, if you've built any, experiences, advice, etc.

They're kinda stupid if you ask me, and if I'm not mistaken they're outlawed in alot of states.

TomClancey · Post by **TomClancey** » Tue Jul 17, 2007 6:07 am

One word. Awesome.

I built my first one about a year ago and loved it. So I started drawing up plans for a shoulder mounted one and a breach loaded one (not sure how the latter would work, but meh. I'll figure something out.)

For advice, when you're getting fuel just get the largest cheapest can of hair spray you can find. If it says it's flammable, that is.

For the ignition, I use a flint light, but using a spark igniter.

If you ever what to get into extreme spud launching (or rather, 2x4 launching) You can hook up propane tanks to the side (normally 2 max) and have them feed into a sealed container. Have some kind of remote ignition and watch the 2x4 fly at about 150 MPH*.

If you get bored of spuds you can always move to Tennis balls. That same site sells a Air Compressed Tennis Ball launcher. It'll launch 10-15 tennis balls/minute. at 400 MPH. Price: $1,000.
Or you can draw up your own plan and build from that at much cheaper price.

* And no, I'm not making this up. It really does fly that fast, most of the time it's closer to 200MPH. Here's some information about it (They have 8 testing videos at the bottom of the page.)
This is the tornado testing launcher. The above video is the first version which isn't for sale. (This one is, for $3,000.)

[cc]z@nd! · Post by **[cc]z@nd!** » Tue Jul 17, 2007 8:57 am

yeah, i'm planning on building a large one soon. the only problem i have is finding a 4-inch diameter tube that's made for pressure. all the ones at the lowe's near me say "NOT FOR PRESSURE" on them in large letters. and on the note of hairspray, i can't believe people would pay so much for it! browsing through kroger looking for some, we grabbed a $2 can, but there's ones in there upwards of $20!! women...

and imo, the larger the expansion chamber, the more powerful the gun, because the more fuel/air mix you can fit in.

Jdogg · Post by **Jdogg** » Tue Jul 17, 2007 9:23 am

Yea i have one, and i live on a lake and me and my dad shoot it at our friends that are fishing on the lake but we never actually hit them we just shoot around them so they are like wtf. lol

latinomodder · Post by **latinomodder** » Tue Jul 17, 2007 10:00 am

I started mine a while ago and never finished it

Im calculating it can hold 100 psi without exploding

Andrew_b · Post by **Andrew_b** » Tue Jul 17, 2007 2:43 pm

noscottno wrote:I started to, but my parents wouldn't let me because it's illegal in Cali.

its illegal...hmm my friend has one

fishface617 · Post by **fishface617** » Tue Jul 17, 2007 4:21 pm

Yea I built mine about 2 years ago, powered by hairspray. I just set it off a few days ago and id say the best go was about 150 yards. They are very fun. I might get a picture later...

dec1234 · Post by **dec1234** » Tue Jul 17, 2007 4:33 pm

I use the old fashioned 'throw' method

TomClancey · Post by **TomClancey** » Tue Jul 17, 2007 5:07 pm

dec1234 wrote:I use the old fashioned 'throw' method

Why so primitive?

Andrew_b · Post by **Andrew_b** » Tue Jul 17, 2007 5:46 pm

dec1234 wrote:I use the old fashioned 'throw' method

...you dont throw potatoes...you launch them

Imagine this scrawny kid with glasses and messed up teeth saying "i throw potatoes" just randomly

(sorry if that fits your description...but i thought of that when i read that...and i laughed out load really hard.)

[cc]z@nd! · Post by **[cc]z@nd!** » Tue Jul 17, 2007 6:21 pm

@ latinomodder: along the side of the pipe they'll generally say the pressrue rating, most likely somewhere around 200-280 PSI.

and do you guys ever shoot anything other than potatoes? i dunno, like some paintballs wrapped in paper towels maybe?

TomClancey · Post by **TomClancey** » Tue Jul 17, 2007 6:30 pm

Well, yes and no. I'll mostly shoot potatoes, but on the rare occasion I remember, I'll buy some PVC and make projectiles to shoot. I'll normally have to figure out how to make it air tight in the barrel though.

[cc]z@nd! · Post by **[cc]z@nd!** » Tue Jul 17, 2007 8:23 pm

when i checked in the store, the next size down fits in the barrel rather well. for example, i bet you could plug up a length of 1 1/2" PVC and use it in a cannon with a 2" barrel.

oh, and check out this monster: http://youtube.com/watch?v=zbULgsPBX6Q

JK-47 · Post by **JK-47** » Tue Jul 17, 2007 8:28 pm

[cc]z@nd! wrote:
oh, and check out this monster: http://youtube.com/watch?v=zbULgsPBX6Q

I wonder why they're illegal...

Racka_Tacka_Joe_Enos · Tue Jul 17, 2007 8:43 pm

JK-47 wrote:I wonder why they're illegal...

and those were jut tomatoes imagine potatoes!

TomClancey · Post by **TomClancey** » Wed Jul 18, 2007 5:36 am

They where both. They mostly used potatoes, but on the wooden items, they used tomatoes.

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