With respect, Mr 212, no RN Rotary stude I ever heard of had 100hrs FW (little more than half that, actually, either on Bulldog or Firefly)
The day I joined 705 (RW BFT) at Culdrose (August 79) I had 96.15 FW in total; 13.00 on the Chipmunk at Roborough on flying grading, the rest on the Bulldog at RN EFTS at Leeming.
I had no additional hours over the standard course hours allowed. The EFTS course was budgeted at 85 hours at the time IIRC.