The principle of rotary screw air compression is really no different than reciprocating (piston) compression. Both are positive displacement machines that take in a fixed volume of air at atmospheric press.
[pdf] RigQuip Private Limited, located in Gweru, Zimbabwe, is a dedicated supplier of high-quality drilling equipment tailored for the mining, geotechnical, exploration, and waterwell sectors across Africa.
[pdf] In this video we assemble a DIY micro drill rig (tiny DC motor + drill bit + frame) and a submersible water pump, then test drilling a small “well” and pumping water through tubing. I explain the mechanism, torque limits, and 3 upgrades for better performance.
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