-1 second cycle time Splits logs up to 21" long up to 12" round Twin flywheels store energy from the 2 HP 120V electric motor With no hydraulic oil or pump, kinetic flywheel log splitters are much easier to maintain Automatic ram retraction leaving your hands free to load the next log Hardened steel pinion gear transfers energy from the flywheels 7" wheels to easily move around your work space