Hengwang YN27C Internal-Combustion Rock Drill Foreuses de roche

YN27C hand-held internal-combustion rock drill is a hand-rock drilling tool which integrates small gasoline engine, compressor and rock drill. It is easy to be carried along, be suitable to work on high mountains, plains, hot and cold area with no power and no water supply and air compressing equipment, and especially suits the projects that the machine has to be carried at any time and in any area.

With turning the swing arm to running-or-stop rotation plumbum, the machine can be converted into a breaker or a hammer, for breaking, digging, splitting or ramming. The machine is suited to build of bridge, road, power station, geological exploration etc.ModelYN27CWeight27kgoverall dimension746*315*229mmenginesingle cylinder, air cooled two strokesCylinder diameter*stroke piston58*70mmRotating speed of enginemore than 2450r/mindisplacement of engine185cm^3carburetorhand needle valve, no floating typeIgnition systemcontrollable silicon contactless systemDrilling speedmore than 2450r/minMax drilling depth6MFuel consumption1.2L/minTank capacitymore than 1:14Lmixing ratio of gasoline and lubrication oil12:01end of drill rod dimensionshexagonal 22*108mmRotating speed of drill rodmore than 200r/minClearance of spark plug0.5-0.7mm