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| YN27C INTERNAL-COMBUSTION ROCK DRILL | |||||||
| Weight | 27kg | ||||||
| Overall dimension | 746x315x 229mm | ||||||
| Type of engine | single cylinder,air cooled two strokes | ||||||
| Cylinder DiameterxStroke of piston | 58 x 70mm | ||||||
| Rotating speed of engine | ≥2450r/min | ||||||
| Displacement of englne plston | 185 cm3 | ||||||
| Type of carburetor | hand needle valve,no floating type | ||||||
| Ignition system | Controllable silicon contactless system | ||||||
| Drilling speed | (mean value of five holes) ≥ 250mm /min | ||||||
| Max. drilling depth | ≥ 6m | ||||||
| Fuel consumption | ≤0.12L /M | ||||||
| Tank capacity | ≥ 1.14L | ||||||
| Mixing ratio of gasoline and lubrication oil (in volumes) | 9to1 | ||||||
| End of drill rod dimensions | hexagonal2 2 x 108m | ||||||
| Rotating speed of drill rod | ≥200r/min | ||||||
| Clearance of Spark plug | 0.5 -0.7mm | ||||||
YN27C INTERNAL-COMBUSTION ROCK DRILL