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
Light Tank Mk VII Tetrarch Duplex Drive system was invented by Nicholas Straussler, and was designed to allow a tank to 'swim' through water and participate in amphibious operations. The system functioned by erecting a large waterproof canvas screen around the tank above its tracks, which was supported by thirty-six inflatable tubes and steel struts; this gave the tank sufficient buoyancy to float, and was then propelled along by a small propeller powered by the tank's engine. The screen could be collapsed by using a small explosive charge once the tank reached land. The system was fitted during June 1941, as the Tetrarch was the