| Raise Diameter: |
Nominal 1.53m |
| Depending on rock conditions 1.8m |
| Raise Length: |
Nominal 150m |
| Drill Pipe: |
Diameter 254mm |
| Shoulder to shoulder length 850mm |
| Thread DI 22 209mm [8 1/4"] |
| Pilot Hole Diameter: |
279mm [11"] |
| Hydraulic Drive: |
2 x Poclain radial piston motors |
| Gear Reducer Drive: |
Double reduction planetary sput drive with hydraulically actuated gearshift |
| Full Load Current Rating: |
311KVA |
| Rotation Speeds: |
Piloting speeds (nominal) - variable 0-36rpm |
| Reaming speeds (@138kNM) - variable 0-16rpm |
| Torque Rating: |
Piloting at 200 bar [2900psi] 75,000NM [55,500ft/lbs] |
| Reaming 138kNM @ 4300psi @ 16rpm |
| Reaming Thrust: |
347,600lbs @ 4800psi max |
| Feed Rates: |
155mm/min [6"/min] |
| Maximum Traverse Rates: |
50.8mm/sec [120"/min] |
| Dip Adjustment: |
90-45 degrees from horizontal by turnbuckle |
| Drilling Fluid: |
Bailing with water only 600l/min [165gpm] @ 5-7 bar (min pilot drilling) |
| Derrick Weight: |
10.8tonne [23,760lbs] approx |