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  • Flail mower

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    Detail of a flail mower: flails on the rotating drum Unimog equipped with two flail mowers, one at the front, and one at the end of a hydraulic boom A flail mower is a type of powered garden/agricultural equipment, which is used to deal with heavier grass/scrub which a normal lawn mower could not cope with. Some smaller models are self-powered, but many are PTO driven implements, which can attach to the three-point hitches found on the rear of most tractors. This type of mower is best used to provide a rough cut to taller grass where contact with loose debris may be possible such as roadsides. The flail mower gets its name from the use of flails attached to its rotating horizontal drum (also called tube, rotor, or axle). Many implement companies also refer to the flails as knives or blades. The rows of flails are usually staggered to provide a complete cut. The flails are attached to the drum using chain links or brackets, depending on the manufacturer. The rotating drum is parallel to the axle of the tractor. The PTO driveshaft along the tractor's axis must make a right angle through the use of a gearbox in order to transfer its rotational energy to the drum.

  • Elec-Trak

    serch.it?q=Elec-Trak

    __NOTOC__ The GE Elec-Trak was the first commercially produced all-electric garden tractor, made mostly between 1969 and 1975. Despite their limited production and availability, many Elec-Traks are still in use today and have a cult following among tractor and electric vehicle enthusiasts. They are an archetypal or seminal design that has influenced all later electric tractors. Several models were produced, including: the E8M and ER8-36 (8 hp); the E10M (10 hp); the E12 and E12M (12 hp); the E12S and E15 (14 hp); the E16 (an upgraded version of the E15), and the E20 (16 hp). GE's claimed horsepower figures were false; the table below includes "real" horsepower. The E8M and ER8-36 were styled more as ride-on mowers than tractors. The "M" suffix used on some models indicates the ability to accommodate a mid-mounted (belly) mower, and an "H" was used on some models to indicate a heavy duty, double sized battery pack. GE also made an industrial version of the Elec-Trak, the I-5. It was orange instead of yellow, and had fenders over the front wheels and attachment points for a roll cage and forklifts of varying heights, but was otherwise identical to the E20.

  • Brush hog

    serch.it?q=Brush-hog

    Brush hog A brush hog or "bush hog" is a type of rotary mower. Typically these mowers attach to the back of a farm tractor using the three-point hitch and are driven via the Power take-off (PTO). It has blades that are not rigidly attached to the drive like a lawnmower blade, but are on hinges so if the blade hits a rock or stump, it bounces backward and inward, and then centrifugal force makes it go outwards again. The rotary blades are not sharpened in the same way as a conventional mower blade. They are usually quite dull so they whack through dense plant growth, whereas a sharp blade often gets stuck or slowed down. The blades are very heavy, up to an inch thick, so the centrifugal force pulling out is stronger than the forces of the vegetation bouncing in. They are made of heat treated high carbon steel that can withstand strikes with hard objects such as rocks and stones.

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