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A riding mower, also known as a ride-on mower, tractor mower or lawn tractor, is a type of lawn mower on which the operator is seated, unlike mowers which are pushed or towed. Riding mowers, which sometimes resemble small tractors, are larger than push mowers and are suitable for large lawns, although commercial riding lawn mowers (such as zero ...
In spark-ignition internal combustion engines, knocking (also knock, detonation, spark knock, pinging or pinking) occurs when combustion of some of the air/fuel mixture in the cylinder does not result from propagation of the flame front ignited by the spark plug, but when one or more pockets of air/fuel mixture explode outside the envelope of the normal combustion front.
Riding mowers (U.S. and Canada) or ride-on mowers (U.K. and Canada) are a popular alternative for large lawns. The operator is provided with a seat and controls on the mower and literally rides on the machine. Most use the horizontal rotating blade system, though usually with multiple blades.
Their mowers are limited to a stock lawn mower engine with a governor set to no more than 3650 rpm and a 10:1 gear ratio. Adult classes are split by running time trials. Time trials are set up like a qualifying run in NASCAR. A-Class is the mowers that run the fastest times. D-Class is the mowers that run the slowest during time trials.
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A commercial zero-turn lawn mower with two pivoting front wheels. A zero-turn riding lawn mower (colloquially, a z-turn or zero turn) is a standard riding lawn mower with a turning radius that is effectively zero when the two drive wheels rotate in opposite direction, like a tank turning in place.
By 1956, the business had become very successful. The company began to build a range of small to large lawn and garden tractors, in addition to a line of riding lawn mowers. A characteristic of the products was their standardization through the years. The most popular model and year was the R-J58 Wheel Horse 1958, it came without a mowing deck ...