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McCulloch Motors Corporation is an American manufacturer of chainsaws and other outdoor power tools.The company was founded in Milwaukee, Wisconsin, in 1943 by Robert Paxton McCulloch as a manufacturer of small two-stroke gasoline engines and introduced its first chainsaw in 1948, the Model 5-49.
The HART Communication Protocol (Highway Addressable Remote Transducer) is a hybrid analog+digital industrial automation open protocol. Its most notable advantage is that it can communicate over legacy 4–20 mA analog instrumentation current loops, sharing the pair of wires used by the analog-only host systems.
The Hitachi 917 is an automated biochemistry analyser utilise medical laboratories to process biological fluid specimens, such as urine, cerebrospinal fluid, and most commonly, blood. Manufactured by Boehringer Mannheim , the Hitachi 917 is a commonly used routine chemical bichromatic analyser.
The HART Communication Foundation, PROFIBUS and Fieldbus Foundation have merged their individual dialects of the DDL. The result became the Electronic Device Description Language (EDDL), an IEC standard (IEC 61804). The harmonization and enhancement of the EDDL is being undertaken in the EDDL Cooperation Team (ECT).
With Ford's withdrawal from F2 in the mid-1970s, Hart began to concentrate on building their own designs. The first engine to bear the Hart name alone was the twin-cam, four-cylinder Hart 420R F2 unit, which appeared in 1976 and powered race-winning cars until the end of the decade. In 1978, the Toleman team agreed to a partnership program ...
The pitch of the chain is the average distance between two rivets. As the distance between rivets varies, the pitch can be measured by measuring between three rivets and dividing this distance by two. Typical pitches are 0.325, 0.375 and 0.404 inches (8.3, 9.5 and 10.3 mm).
Brian Hart Ltd., also known as Hart and Hart Racing Engines, was a motor racing engine manufacturer that participated in 157 Formula One Grands Prix, powering a total of 368 entries. Founded in 1969 by British engineer Brian Hart , Hart initially concentrated on servicing and tuning engines from other manufacturers for various independent ...
Porsche 917 experimental Can-Am engine. A flat-sixteen engine, also known as a horizontally opposed-sixteen, is a sixteen-cylinder piston engine with eight cylinders on each side of a central crankshaft. Flat-sixteen engines are less common than V16 engines, with only a couple of prototype racing engines using a flat-sixteen layout.