Huskyman,
Here's some rpm info, taken right out of the shop manuals, for some Stihls I own.
Stihl 044, 70.7cc, max RPM 14000 (w/ bar & chain), 5.2bhp @ 9500rpm, 3.2lb.ft torque @ 6500rpm.
Stihl 028 Super, 51.5cc, max RPM 13000 (w/ bar & chain), 3.4bhp @ 9000rpm, 2.14lb.ft @ 6500rpm...