Recent Blogs
Box-wing Blower Mechanism: How It Works, Parts, Formula and Mining Ventilation Uses Explained
Explore the box-wing centrifugal blower: enclosed wheel passages, a central inlet and scroll outlet, with a calculator comparing shaft power at assumed efficiencies.
Speed Indicator Mechanism Explained: How Centrifugal, Chronometric & Drag-Cup Tachometers Work
How a Speed Indicator measures shaft RPM and power output, with formulas, a worked dynamometer example, and real applications in engine testing and machine tools.
Van Winkle Power Meter: Spring-coupled Discs and Ideal Torque
Explore Van Winkle’s spring-coupled discs, lever and dial. A separate calculator gives ideal signed torque and power from two forces, radius and speed; it does...
Neer's Rotary Transmitting Dynamometer: Chains, Springs and Dials
Explore Neer's chain-and-spring transmitting dynamometer. Calculate torque, spring extension and shaft power using recorded tension and an entered calibration factor.
Coaxial Contra-rotating Rotor Mechanism: How It Works, Parts, Diagram, and Uses Explained
Follow two counter-rotating rotors on concentric shafts. Calculate their delivered torque split, net airframe reaction and combined shaft power at equal rotor speeds.