Robbin 34RHC Condensed Specifications

Raise diameter nominal: 1.5m [5ft]
Boxhole diameter nominal: 1.06m [3.5ft]
Raise length nominal: 150m [1115ft]
Drill Pipe:  
   Diameter 254mm [10"]
   Length (shoulder-shoulder) 1219mm [48"]
   Thread Regular DI-22 connection
Main drive motor: Hydraulic drive
Piloting speed: 0-55rpm
Reaming speed: 0-30rpm
Torque rating:  
   Constant torque 64kNm [47,000ft/lb] up to 18rpm
   Constant power reduced torque up to 27rpm
Reaming thrust (maximum): 1182kN             [265,700lb]
[at 33.6Mpa]     [at 4,900psi]
Stroke: 1710mm [67"]
Dip angle adjustment: 90deg-60deg horizontal by turnbuckle adjustment
Transporter: Diesel powered crawler
Electrical power input:  
   Voltage 1000volt @ 50Hz
   Total power requirement 200kVA
Drilling fluid input:  
   Compressed air  requirement 20m3/min [700cfm] free air compressed to 5.5-7bar [80-100 psi]
   Water requirement 500l/min [135USgal/min] at 5.5-7 bar [80-100psi]
Cooling input:  
   Water requirement approx 40l/min [11USgal/min]
Mass:  
   Derrick* approx 18,000kg
   Crawler approx 7,600kg
   Crawler with derrick** approx 25,600kg
   Powerpack*** approx 5,000kg
Dimensions: Height x Width x Length
   Derrick (Boxhole transport mode) 4689mm x 2478mm x 2930mm
   Derrick (Boxhole drilling  mode) 5000-5485mm x 2478mm x 2929mm
   Derrick (Raiseboring mode) 4326mm x 2478mm x 2929mm
   Crawler 2001mm x 1940mm x 5509mm
   Crawler with Derrick**  
   -   Boxhole mode 3239mm x 2484mm x 5815mm
   -   Raiseboring mode 3291mm x 2300mm x 5765mm
   Powerpack 1550mm x 1600mm x 3300mm
   

* Including pipeloader and base frame

** Excluding base frame
*** Excluding hydraulic oil