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HPA Tank Hot Fill: Why Pressure Drops After Filling
The field filled you to 3,000, and twenty minutes later the gauge reads a few hundred less. An r/paintball player asked why their 48/3000 tank "loses pressure right after airing up." Short answer: an HPA tank hot fill heats the air, and the reading drops as it cools. Usually nothing is broken. Why does an HPA tank hot fill read low later? Fast fills heat the air and the bottle. Hot air pushes harder, so the gauge reads high at the station, then settles as the tank cools. The New Jersey Scuba air fills page says the proper way to...
HPA Hand Pump: Can It Fill Your Pistol Tank?
No fill station at your field, and the paintball place is a drive away. An r/airsoft player asked whether hand pumps work before buying a 48ci kit for a Hi-Capa. Short answer: an HPA hand pump works, but on a big tank it's a long, sweaty afternoon. Do HPA hand pumps actually work? Yes. Airgun hand pumps reach the same pressures your tank is filled to, so they can fill an airsoft HPA tank. The catch is time and effort, because a hand pump moves a tiny bit of air per stroke. Player report: one reply in the thread said...