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.