= 1)31 slug ft .''
Kc = moment of inertia of the shaft and roll about the axis of the shaft,
= s nis(1s,2 + A rlirdr2 = s ('irsds2 + )ordr2) =e(18.7X0.23+27.4X3.6)=12.9 slug-ft.'
B = deflection of the roll shaft from the vertical = sin (--~; -
= fi° 40'.
,wz = angular velocity, about a ve tic l axis, of the azimuth plane th-ough the roll shaft and the point of suspension, relative to the pulve'nzing
ring. In (76) this is represented by 0z.
zws = angular velocity of the roil shaft relative to the rotating azimuth
plane. In (76) this is represented by via.
rup = angular velocity of the pulley about its axis, relative to the pul
verizing ring = 165 r.p.m.
The value of rwz now will he determined. If the azimuthal plane through the pulley shaft and roll shaft were not rotating, then -,,-hit-- the roll moves without slipping once around the inside of the pulve~izing ring, it would make R/r turns relative to the azimuthal plane. But while the roll makes one circuit of