Aerospace startup Boom says they've proven quiet supersonic flight is possible with their passenger airplanes after a ...
An adjustable drive belt connects the drill head to the motor. The belt moves to different positions on internal pulleys to create three combinations of speed and torque; 1,800, 4,700 and 8,500 rpm.
Leading industry suppliers JB Trenchless have offered a comprehensive guide into how to know when it's time for new drill ...
This means that several holes can be drilled close together. With its drilling head, the robot digs through different substrates, ranging from clayey soil to granite rock. The maximum drilling ...