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The AEV 3 Kodiak shares a common powerplant (the MTU 873 Ka-501) with the Leopard 2 MBT. In common with the Leopard 2 MBT, the AEV 3 Kodiak is powered by a powerpack assembly consisting of an MTU 873 Ka-501 V-12 diesel coupled to a Renk HSWL 354 transmission. The rear-mounted powerpack weighs 2.59-tonnes (dry) and is designed engine first with ...
Bottom side of an electric lawn scarifier showing rotating metal blades. Scarification or de-thatching of lawns or turf is a mechanical process whereby the surface and subsurface of the lawn, green or sports pitch is rigorously abraded by penetrating metal blades, tines or prongs.
18th century: of the horse-drawn hoe and scarifier by Jethro Tull [2] [3] [4] 1780s: Selective breeding and artificial selection pioneered by Robert Bakewell (1725–1795). [5] 1842: Superphosphate or chemical fertilizer developed by John Bennet Lawes (1814–1900). [6] 1850s: Steam-driven ploughing engine invented by John Fowler (1826–1864). [7]
Subsoiling is a slow operation and requires high power input: 60 to 100 horsepower (45 to 75 kW) to pull a single subsoil point through a hard soil. Typically, a subsoiler mounted on a compact utility tractor will reach depths of about 30 cm (12 in) and have only one thin blade with a sharpened tip.
In 1801 a Joseph Burrell was found to be advertising "Chaff Engines, Drill Rolls and Drill Machines", items of agricultural equipment, from his foundry on Kings Street Thetford. By 1805 Joseph had joined with his two brothers James and William and were advertising Threshing Machines for sale. In 1817 Charles Burrell was born.
Ransomes, Sims and Jefferies Limited was a major British agricultural machinery maker also producing a wide range of general engineering products in Ipswich, Suffolk including traction engines, trolleybuses, ploughs, lawn mowers, combine harvesters and other tilling equipment.