D.C. Drive 224 kW (300 HP)
Connected power
Mains supply 415 volts, 50 Hz, 500 kVA
Diesel Genset supply 650 kVA unit with appropriate Load Bank
Compact design
5.7 m extended height
(plus 400 mm beams if required)
Pilot thrust
490 kN (110,000 lbs)
Reaming thrust
5,350 kN (1,200,000 lbs)
Reaming torque
286 kN m (211,000 ft lbs)
Pilot Drilling speed
0 – 90 rpm variable
Reaming speed
0 – 10 rpm variable
Transporter
sled with inbuilt erection device
Spreader beams to allow hole break through
(if required)
Air consumption
23 m³/min @ 7 bar
Water consumption for cooling
approximately 100 litres/min
Water consumption for pilot drilling
approximately 900 litres/min
which is recirculated via sumps
Raiseborer weight
21 tonnes, including sled 26 tonnes