Grasshopper - Track Mounted RC/RAB Drill
MPP’s most portable track mounted RC (reverse circulation) drill, the Grasshopper was developed for drilling programs in remote areas. The Grasshopper features a 45 HP Kubota diesel engine, 304 track carrier package and blade for site prep. The rig can be broken down into modules that weigh less than 1200 lbs. and are compact enough to fit into a small fixed-wing aircraft.
Features
- Lightweight modular design
- No module over 1250 lbs.
- Ideal for early-stage exploration
- Available booster package to increase depth capacity
Depth Capacities: Based on 300 CFM / 200 PSI compressor | |
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3-1/2" (89mm) | 330 ft / 100 m* |
*Depending on ground conditions |
Prime mover | |
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Model: | Kubota V1505T, 4 cylinder, turbo charged diesel engine |
Power: | 44.2 HP @ 3000 RPM |
Track package | |
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Model: | Cat 304C |
Design: | Hyd. driven piston motors, spring brake, 2 speed, 400mm shoes |
Speed: | 3.3 mph |
Top drive rotation unit: | |
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Max torque: | 1500 lbs /ft |
RPM: | 0-120 RPM |
Spindle: | Floating w/ NSE2-7/8" Reconn thread |
Rotation motor: | Char-Lynn 6K series |
MAST AND FEED | |
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Design: | Cylinder feed |
Pullback: | 16,200 lbs. |
Pulldown: | 8250 lbs. |
Feed speed: | 0-76 fpm |
Feed stroke: | 84" |
Working angle: | 45 to 90 degree |
Mast dump: | 40" travel |
Swivel | |
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Design: | Combination air inlet/sample discharge |
Discharge: | HD 2" Gooseneck assy. |
Blade | |
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Width: | 7 ft |
Blade travel: | 6" below track bottom, 22" above track bottom |
HYDRAULIC SYSTEM | |
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Design: | Fully hydraulic, no electronics, open loop |
Capacity: | 20 GPM |
System pressure: | 3000 PSI |
Filtration: | 10 micron |
Components: | Sauer Danfoss, Char-Lynn & Parker |
Heat exchanger: | Air:oil |
Control panel | |
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Panel: | Feed, rotate, setup functions, & E-stop |
Gauges: | Rotation, holdback & air pressure |
Water Injection Pump | |
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Max flow: | 5 GPM |
Max pressure: | 550 PSI |
Drill Table/BOP | |
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Opening: | 4-1/2" |
INCLUDED COMPONENTS | |
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Accessories: | Sample cyclone, air needle, saver sub, discharge/pressure hose |
Weight: | 10,000 lbs. |
Dimensions: | 7' W x 13' 2" L x 7' 5" HT |
OPTIONS |
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Compressor package |
Booster package |
RAB package |
Sample splitting equipment |
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