featherweight flipper systems

**jonny** · 3rd May 2011, 18:31

co2 varies on the temp on the day, on a hot day you might get 1000 psi before it liquidises, on a cold day you might get 700

**Shakey** · 4th May 2011, 13:26

Did some digging and most my questions are answered but these:

I have concluded a buffer tank is fairly sensible, but how large should it be?
Is regulating it down to 250-300psi sensible or too much?

And the most important, most people say you need adaptors to use CO2 paintball bottles, where are these available from?

**woody** · 4th May 2011, 18:29

Originally Posted by jonny

co2 varies on the temp on the day, on a hot day you might get 1000 psi before it liquidises, on a cold day you might get 700

Did some digging and most my questions are answered but these:

I have concluded a buffer tank is fairly sensible, but how large should it be?
Is regulating it down to 250-300psi sensible or too much?

And the most important, most people say you need adaptors to use CO2 paintball bottles, where are these available from?

Size of buffer is difficult to quantify ..I've run many spreadsheet scenarios and more volume is better BUT it's a law of diminishing returns.
So ..Ummm... You must IMO have one and size... Errr...as big as is practical in your design is the best I can advise.
Your suggested pressure seems fine...perhaps a little higher.

**maddox10** · 5th May 2011, 07:13

Ram size.
All FP
Hannibalito I 32mm bore *80mm stroke
Hannibalito II 60mm bore *85mm stroke
Hannibalito III 50mm bore *75mm stroke

HP of LP.

1 of the main problems with CO2 is the fact all normal regulators don't like liquid. So, for the KISS principle, LP is a problem. The Trevor regulator (custom RW regulator, about the lightest , dependable regulator I know) doesn't suffer from liquid CO2, but doesn't regulate it either.

On the other hand, FP is a custom job, or a very expensive/heavy one. As 1000 psi pneumatics ain't off the shelf.

Buffertank size. I aim for 3times the volume of the ram. But in Hannibalito II and III I just used a customized 12oz paintball bottle. Hannibalito I uses a 2 oz steel buffer.

The 3 Hannibalito's also use a standard paintball bottle with an on/off valve, not the ones normaly seen in our events, the 20 oz bottles with a normal valve. We solve that by lugging our own filling hose, something you can buy at any serious paintball shop.
We have also a backup filling nipple, nothing more than a CO2 nut to a paintball bottle connector.

I hope that answers a few of your questions.