Redbore 70
The Redbore 70 is a powerful and compact raise drill designed to fit in smaller excavations. The Redbore 70 can be configured to complete 48″ (1.22 m) diameter downreaming. Nominal capacities range up to 13’ (4 m) diameters with lengths of raises up to 2,000’ (609 m).
This makes the Redbore 70 an ideal candidate for mid-size ventilation raises and material handling raises of all kinds.
Dimensions
| Extended Height | 163″ (4.14 m) |
|---|---|
| Footprint Width | 87″ (2.2 m) |
| Footprint Depth | 89″ (2.26 m) |
| Weight | 46,978 lbs (21,309 kg) |
Thrust System
| Maximum Upream Force | N/A |
|---|---|
| Maximum Conventional Ream Force | 1,130,000 lbs (5,026 kN) |
| Maximum Downream Force | 666,000 lbs (2,962 kN) |
Rotation System
| Reaming Torque | 225,000 ft / lbs (305 kN.m) |
|---|
Nominal Parameters
| Pilot Hole Diameter | 13 3/4″ (349 mm) |
|---|---|
| Drill Pipe Diameter | 12 7/8″ (327 mm) |
| Hole Diameter Downream | 48″ (1.22 m) |
| Hole Diameter Upream | N/A |
| Hole Diameter Conventional | 13′ (4 m) |
| Raise Length Conventional | 2000′ (609 m) |
| Raise Angle | 45 – 90 degrees |
Options
| Redtrax Transporter | Yes |
|---|---|
| Erector System | Yes |
*Electrical systems built to suit regional requirements
Note: Drill specifications including thrust, torque, weights and dimensions are approximate and may vary from those provided.
