TECHNICAL SPECIFICATIONS 1.Weight of the main machine: 27kg 2.Overall dimension: 746×315× 229mm 3.Type of engine:single cylinder,air cooled two strokes 4.Cylinder Diameter×Stroke of piston:5 8 × 70mm 5. Rotating speed of engine: ≥2450r/min 6.Displacement of engine plston: 185cm3 7.Type of carburetor: hand needle valve,no floating type 8.Ignition system: Controllable silicon contactless system 9. Drilling speed:(mean value of five holes) ≥ 250mm /min 10. Max. drilling depth: ≥ 6m 11.Fuel consumption: 0.122 /m 12.Tank capacity:≥ 1.14L 13. Mixing ratio of gasoline and lubrication oil (in volumes):12:1 14. End of drill rod dimensions: hexagonal2 2 × 108mm 15. Rotating speed of drill rod:≥200r/min 16. Clearance of Spark plug :0.5 -0.7mm |