A ship propelled by a turbine rotor which has a mass of 5 tonnes and a speed of 2100 r.p.m. The rotor has a radius of gyration of 0.5 m and rotates in a clockwise direction when viewed from the stern. Find the gyroscopic effect when the ship pitches 6 degree above and 6 degree below the horizontal position. The bow is descending with its maximum velocity. The motion due to pitching is simple harmonic and the periodic time is 20 seconds.

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Gyroscopic Couple and Precessional Motion topics include: Precessional angular motion, gyroscopic couple, effect of gyroscopic couple on aeroplane and naval ship, stability of four wheel and two wheel while taking turns, gyroscopic couple effects. A gyroscopic couple is a force that causes a rotating object to tilt perpendicularly. Precessional motion is the movement that results when an object's axis of rotation changes direction without any external torque applied.  A gyroscopic couple is also known as gyroscopic torque. It's the torque or turning force created by a spinning gyroscope... Show more

A ship propelled by a turbine rotor which has a mass of 5 tonnes and a speed of 2100 r.p.m. The rotor has a radius of gyration of 0.5 m and rotates in a clockwise direction when viewed from the stern. Find the gyroscopic effect when the ship pitches 6 degree above and 6 degree below the horizontal position. The bow is descending with its maximum velocity. The motion due to pitching is simple harmonic and the periodic time is 20 seconds.