The RR-1MB hydraulic jumbo drill, a single-boom hydraulic rig, is designed for drilling vertical, horizontal and angled holes in underground production or development headings. The RR-1MB has boom coverage of 6.07 m by 5.69 m (19’ 11” by 18’ 8”) and inner and outer turning radius’ of 4.19 m (13’ 9”) and 6.48 m (21’ 3”), respectively.
The RR-1MB features the Intelsense drilling control system, which includes the following features:
Automatic water monitoring with feed return if low pressure is encountered
Auto return to start position after hole completion
Control levers for operating percussion, rotation, and feed