A treatise on gyrostatics and rotational motion . d increase of spin istowards giving a length of equivalent simple pendulum equal to ABg/Chi2,which again is zero when Cn is infinite. 7. Gyrostatic control of the rolling of a ship. Control/a- iritfigyrostat frame damped. The Schlick con-trivance for diminishing the rolling of a ship is an example of the first case. If it isleft free to precess in the fore and aftdirection as the ship rolls from side to side,and there is no couple on the gyrostatin the (lore and aft) plane of precession,the metacentric height is increased by theamount <-//-
A treatise on gyrostatics and rotational motion . d increase of spin istowards giving a length of equivalent simple pendulum equal to ABg/Chi2,which again is zero when Cn is infinite. 7. Gyrostatic control of the rolling of a ship. Control/a- iritfigyrostat frame damped. The Schlick con-trivance for diminishing the rolling of a ship is an example of the first case. If it isleft free to precess in the fore and aftdirection as the ship rolls from side to side,and there is no couple on the gyrostatin the (lore and aft) plane of precession,the metacentric height is increased by theamount <-//- BMgr, where B refers to thegyrostat in its precessional motion, aboutan axis parallel to the deck and athwartship. As M is the whole mass of the shipthis is not a very large increase. We may put C?n2 BMM»///i;. that is|Cn2>£, or the kinetic energy of the flywheel greater than. FlO. 170 GYROSTATICS CHAP.
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