Demolition hammer powered by two-stroke internal combustion engine A percussion force of 55 J efficiently crushes reinforced concrete used in foundations and natural stone In addition to the chiseling function, this type of hammer has the ability to work as a soil compaction jumper The design weighs 11 kg and this makes the operation of the device comfortable The hammer is operated without much effort by one person The low fuel consumption (0. 9 L/mth) makes the device very economical Unlike electric hammers, there is no need for heavy generators, which weigh at least 40 kg, requiring a two-person team Additional information: • udar, combustion-pneumatic • two-stroke engine • proportion of gasoline 95 PB/oil: 30:1 • possibility to work as a soil compaction jumper (with a 30 mm hex foot) • complete with a set of wrenches for servicing and a tank for preparing fuel mixture Parameters: • fuel tank capacity [l]: 1. 1 • impact frequency [min-1]: 1500 • single stroke energy [J]: 20 - 55 • tool handle: HEX 30 mm • engine: 1 E 44 F-E; number of cylinders: 1; number of bars: 2; air-cooled • spark plug type: L 8 RTC • engine displacement [cm 3]: 51. 7 • engine power [k W]: 1. 3 • maximum engine speed [min-1]: 6000 • maximum engine speed without load [min-1]: 7000 ± 300 • max fuel consumption [l/h]: 0. 6 The inset tool in the form of a chisel, chisel or punch is locked in the handle with a rotating lock The cube-shaped handle on one face has a groove that allows the handle lock to rotate and lock the tool working tool in the handle Regulation of the speed is made by a lever located at the handle.