Portable handheld gasoline internal combustion YN30A rock drill YN30A jakc hammer
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Weight of main machine
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25kg
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Overall dimensions(L*W*H)
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746*315*229mm
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Type of engine
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Single cylinder, air cooled two strokes
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Cylinder diameter*stroke of piston
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Φ58*70mm
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Displacement of engine piston
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185cm³
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Clearance of spark plug
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0.5-0.7mm
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Rotating speed of drill rod
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≥200rounds/min
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Rotation speed of engine
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2700~3000 r/min
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Drill rod and breaker shank
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Hex22*108mm
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Mixture ratio of gasoline and lubrication oil (in volumes)
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12:01
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Tank capacity
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≥1.5liter
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Fuel consumption
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≤0.12L/m
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Max drilling depth
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6m
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Drilling hole diameter
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32mm-50mm
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Drilling speed (mean value of five holes)
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≥250mm/min
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Ignition system
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controllable silicon, contactless system
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Type of carburetor
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hand needle valve, floatless type
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