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Introduction of YN27 Inter Combustion Rock Drill
YN27 Inter Combustion Rock Drill is a very efficient rock drilling machine, composed of gasoline engine, air pump, rock drill.
YN27 Inter Combustion Rock Drill adapts to these outside situations without water and electronic power. Meanwhile it is a hand- held drill, during operation, rock power is blown away by the compressed air produced by the machine itself.
Parameter of YN27 Inter Combustion Rock Drill
Weight of main machine
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27kg
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Overall dimensions(L*W*H)
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746*315*229mm
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Cylinder diameter*stroke of piston
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Φ58*70mm
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Rotation speed of engine
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≥2450rpm
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Displacement of engine piston
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185cm³
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Type of carburetor
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hand needle valve, float-less type
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Ignition system
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controllable silicon, contact-less system
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Drilling speed (mean value of five holes)
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≥250mm/min
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Drilling hole diameter
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Φ28-42mm
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Max drilling depth
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6m
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Fuel consumption
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≤0.12L/m
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Tank capacity
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≥1.5liter
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Drill rod and breaker shank
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Hex22*108mm
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Rotating speed of drill rod
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≥200rounds/min
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Clearance of spark plug
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0.5-0.7mm
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Pictures of YN27 Inter Combustion Rock Drill
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