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.
[pdf] Drilling and blasting are the two most significant operations in open pit mines that play a crucial role in downstream stages. While previous research has focused on optimizing these operations as two separate p.
[pdf] Articulated haulers function as heavy-duty dump trucks that move large amounts of materials around or off construction sites. Articulated haulers differ from other types of dump trucks because they feature a pivo.
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