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Sandblaster Airflow

Sandblaster Airflow

Sandblaster Airflow

(OP)
Hi everyone, I've been tasked with modifying an airgun so that the solid particles flow out continuously. Currently, particles come out in short spurts. Can anybody refer me to or provide literature that details optimal particle size, air pressure, bore diameter, etc. to keep continuous airflow?

For more context, particles are contained in small canister perpendicular to the length of the airgun. In the canister is an arm which branches directly off the airgun with two holes; one hole is proximal to the airgun and the other at the end of the arm. Air flows out of the proximal hole and applies pressure to the top surface of the particles in the container, forcing the particles into the distal hole and into the airgun. I'm wondering how I can modify this portion so as to create a more continuous particle flow.

Any and all help is greatly appreciated!

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