oh the spring is definitley needed... it is what closes the valve in the first place

yes nabu i expect he did since i dont know anybody that has bought a shopping cart so i would assume he found one abandoned so he took it.

actually im pretty sure that spudbux have nothing to do with it... cause i have like 10 times as many as you shrimphead but same rank... cuz i got to th casino...

hey guys do you have any idea how much vibration a lathe creates... thats why they are so heavy... so that they dont move around from the torque...however they are by no means vibration free

that is exactly what you do...

Ok wow i was asleep for tje last couple hours so sorry... anyways... I was mainly talking about coaxial valves.... i realize that you would nead to put a rubber washer or something on the fornt to seal the barrel.... and yes i do realize about the 3" piston thing but as i discussed i was just talkin...

yeah i guess so but its the same basic concept... YAY US!!!

Why do people insist on using O-rings in their pistons.... Oh wait how can I be so stupid... they make an airtight seal... Correction... How can YOU be so stupid... sure the O-rings make an airtight seal but what the hell is the point of that... a second ago you drilled holls in the piston TRYING to...

yeah i hade that idea about two weeks ago... exepct min was using plaster of paris... but hey... great minds think alike

i saw somewhere the table for 12 g i think... im not sure... does the number of grams refer to the weight of the CO2 contained because if so you can figure out how many moles of CO2 there are and work out the pressure one gives in a given volume

alright so i dont know how much experience you have with rocketry but jjrdw is right... you will not get adequete thrust for your puropses... also... igf you do go with a cluster... it will send it flying very fast... i personally would suggest a breech loaded cannon like another one i saw that was ...

ok nicholai lets avoid using that kind of term... some ppl get offended by it... further more it is completley irrelevant

Wow pimpmann, no need to ruin the party. Obviously the people here that have posted, myself included, are more than willing to help out a fellow spud gunner that is new. If people don't want to take the time to help other people out, then don't. But you should. After all, you would want other people...

again tripoli i catch you doing something not opotimal.... please do not bump old topics, if you really ned a step by step iill draw you up some plans for a simple pnuematic and send you it...

hey rambo how do you make sure the bottle doesnt come flying off... and im sure tripoli rthanks you for taking that picture just for him....