There is provided a salt of 1-cyclopropyl-8-methyl-7-5-methyl-6–3-pyridinyl-4-oxo-1,4-dihydro-3-quinolinecarboxylic acid selected from the group consisting of citrate, hemi-fumarate, maleate, L-tartrate, mesylate, hydrochloride, potassium, and sodium salts. The system’s components include a crankshaft, a speed multiplier, a first electrical generator, a transformer, and a fluid power circuit. The cutting edge member has a front face and an opposing rear face that is conformingly shaped for placement against a front face of the mounting member at a lower end thereof. Hereby the think sheet extends perpendicularly to the central axis of the coil or forms an angle, deviating from 90 degrees from same. A clutch spring biases the cone clutch friction member into the clutch engaged position with a clutch engagement force.