... of this machine. The CP-9 can be widely employed in mining, tunneling, culvert, subway construction, hydroelectric engineering, underground excavation ... ~ 12 m3/ min)Ideal Rotor Speed:11 rpmAir Motor TMH8 Power:10.5 Hp/7.7kW (at 650 rpm)Air Motor ... CP-9 machine consists of a power drive system, including the speed reducer, a rotor assembly, a compressed air system, and a spraying system cp-9 air motor ...