pneumatic potato gun i made

[Adama]

take all your questions to www.spudfiles.com

if they cant help you, no one can

[Tim Arnold]

Inline sprinkler valve is the answer for quick dumping of the tank. They work magic. We purchased plans from http://www.americanaircannons.com/plans.html for building a t-shirt launcher (yes its called a "launcher", not gun, shooter, or cannon, the school doesn't like that). The main bit of the project is a 3/4" or 1" in-line sprinkler valve, which has a manual control on the back and the solenoid (which is 24V AC) oddly works with 12V DC off of a spike.

Anyway, here is ours, attached to our 2005 rookie bot:

[John Gutmann]

Originally Posted by Tim Arnold

Inline sprinkler valve is the answer for quick dumping of the tank. They work magic. We purchased plans from http://www.americanaircannons.com/plans.html for building a t-shirt launcher (yes its called a "launcher", not gun, shooter, or cannon, the school doesn't like that). The main bit of the project is a 3/4" or 1" in-line sprinkler valve, which has a manual control on the back and the solenoid (which is 24V AC) oddly works with 12V DC off of a spike.

Anyway, here is ours, attached to our 2005 rookie bot:

It may just react quicker to a higher voltage.

-John

[Otaku]

For a Pneumatic gun (Which I don't have much experience with), you're going to want larger/more air tanks (plumb them together in a chain or such) and a sprinkler valve to release the pressure quickly.

Now, if you want help with a combustion potato cannon (check the legality first), then feel free to ask me as I've built two, a 3ft and a 7ft cannon.

[John Gutmann]

Originally Posted by Otaku

For a Pneumatic gun (Which I don't have much experience with), you're going to want larger/more air tanks (plumb them together in a chain or such) and a sprinkler valve to release the pressure quickly.

Now, if you want help with a combustion potato cannon (check the legality first), then feel free to ask me as I've built two, a 3ft and a 7ft cannon.

You don't want the tanks in a 'chain' you want them in parallel. This has already been covered earlier in the thread.

-John

[Otaku]

Originally Posted by John Gutmann

You don't want the tanks in a 'chain' you want them in parallel. This has already been covered earlier in the thread.

-John

Ah. Well, as I stated, I don't have experience with pneumatic systems for potato launchers.