Sport touring motorcycle sportbikes were redefined (for marketing purposes) as sport touring bikes: the 2000 Kawasaki ZX-6R sportbike became the 2004 ZZR600 with just a change to a fairing bracket. Sport touring motorcycle A sport touring motorcycle (sometime a "sports-tourer") is a type of motorcycle that combines the performance of a sport bike with the long-distance capabilities and comfort of a touring motorcycle. The first sport-tourer is said to be the fully faired 1977 BMW R100RS. Journalist Peter Egan defines the sport-tourer as a "café racer that doesn't hurt your wrists and a touring bike that doesn't feel like a tank," and identified
Constant-speed propeller Constant-speed propeller A constant-speed propeller is a variable-pitch aircraft propeller that automatically changes its blade pitch in order to maintain a chosen rotational speed. The power delivered is proportional to the arithmetic product of rotational speed and torque (radians/second × torque), and the propeller operation places emphasis on torque. The operation better suits modern engines, particularly supercharged and gas turbine types. An aircraft propeller operates as the source of thrust that overcomes the drag acting on the aircraft. It can also partially overcome the aircraft weight, causing the aircraft to climb. When an aircraft is stationary with the propeller spinning