The answer is Yes !!!
Check out Sebastian Zajonz the designer of Compass Helis flying his Compass 7HV for 10 minutes using 1200 rpm head speed and doing some aerobatics and low 3D maneuvers .
Sebastian setup is:
- Compass 7HVwith helical maingear and tailupgrade,
- SZ4926-510KV Compass Stock Motor
- 115mm Compass Tailblades.
- Headspeed is about 1200 RPM.
- Stock KBDD Lime dampener.
- Batterie 12S 4500mah 30C MTTEC HPcell , Recharged 3100mah after that flight!!!
Reported by: Quintessenz2