A 1/8 inch pilot hole followed by a 3/4 inch dia hole to be drilled in end of a 3.875 inch dia shaft.Calculate the RPM of each drill. $ x& H0 M. V7 u5 w- qNote: CS=80/ m5 W) _% r# p' h1 b/ U
, w. k6 l" o7 i" w4 y' GRPM 1/8=( A5 D* Z9 g6 g2 L
RPM 3/4= 0 a- I7 R. ]$ I7 Z8 e / r8 I& D9 j7 f) WThanks a lot.