IMG_0811.jpg Greetings, I’ve been seeing these portable tire inflator appear on my Amazon home page and observed the advertised max. pressure increasing. At 150psi, I was certain I could get a paintball out at a decent fps. Decades ago I ran an SP Ion off a Harbor Freight air compressor with velocities in the low 240 fps. So I ordered a portable air compressor (under $50) and was able to find Schrader to 1/8” fittings, and made an easy connection to an EMEK.
Here are my insights:
Pumping an EMEK (with short 6” hose direct to ASA) up to 150fps takes about 7-8 seconds.
With the EMEK velocity adjuster all the way out (max setting), paintball velocity was 260fps. A second shot was not possible, the portable inflator showed a pressure drop to 80-100psi.
Fittings were sealed nicely, I think a leak is around the Schrader area. This meant a shot had to be taken as soon as the portable compressor reached the 150psi max.
Future experiments:
I’m thinking an old school expansion chamber can act as a reservoir. Portable air compressor reaching the 150psi max will take longer yet follow up shots might be faster.
We have open class, mech class, pump class, stock class and magfed class. How about a portable air compressor class? It could be one shot every 10second type of feel. Like musket rifle paintball.
Here are my insights:
Pumping an EMEK (with short 6” hose direct to ASA) up to 150fps takes about 7-8 seconds.
With the EMEK velocity adjuster all the way out (max setting), paintball velocity was 260fps. A second shot was not possible, the portable inflator showed a pressure drop to 80-100psi.
Fittings were sealed nicely, I think a leak is around the Schrader area. This meant a shot had to be taken as soon as the portable compressor reached the 150psi max.
Future experiments:
I’m thinking an old school expansion chamber can act as a reservoir. Portable air compressor reaching the 150psi max will take longer yet follow up shots might be faster.
We have open class, mech class, pump class, stock class and magfed class. How about a portable air compressor class? It could be one shot every 10second type of feel. Like musket rifle paintball.

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