Recent Blogs
Double-helical Gear: Ideal Axial-force Comparison
Compare opposed axial-force components from entered tangential load, helix angles and load share. Actual contact, load sharing and bearing requirements are not solved.
Reversing Screw Propeller Mechanism: How It Works, Parts, Pitch Diagram and Marine Uses Explained
Explore a propeller pitch-control linkage. Calculate blade angle, zero-angle crosshead position and travel per degree from stroke and ahead/astern angle limits.
Feathering Paddle Wheel: Ideal Angle-Schedule Calculator | FIRGELLI
Explore pivoted paddle floats and an ideal eccentric angle schedule. Compare wheel diameter, entry angle, stroke angle and the calculated eccentric offset.
Variable-pitch Propeller: Blade-angle Interpolation
Explore a hydraulic pitch hub and interpolate blade angle between entered fine and coarse endpoints. Thrust, torque, governor response and actuator loads are not calculated.