combustion rock drill

 YN30E rock drill 

1.Weight of the main machine: 28kg 

2.Overall dimension: 760*320*245mm 

3.Type of engine:single cylinder,air cooled two strokes 

4.Cylinder Diameter*Stroke of piston:58*70mm 

5. Rotating speed of engine: 2200r/min 

6.Displacement of englne 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) 2700-3000r/min 

10. Max. drilling depth: 6m 

11.Max. elevation angle of drilling:45 

12.Fuel consumption: 0.131/m 

13.Tank capacity:1.65L 

14. Mixing ratio of gasoline and lubrication oil (in volumes):12:1 

15. End of drill rod dimensions: hexagonal 22*108mm 

16. Rotating speed of drill rod: 200r/min 

17. Clearance of Spark plug :0.5-0.6mm 

18.Shock energy:20J