blade angle
111Flying disc techniques — Flying discs (including Frisbees) can be thrown in many ways. All involve spinning the disc to give it gyroscopic stability, and accelerating its mass to a certain velocity. Without spin, a disc will wobble and fall; without velocity, the disc… …
112Milling cutter — Milling cutters are cutting tools typically used in milling machines or machining centres (and occasionally in other machine tools). They remove material by their movement within the machine (e.g., a ball nose mill) or directly from the cutter s… …
113Stone Age — the period in the history of humankind, preceding the Bronze Age and the Iron Age, and marked by the use of stone implements and weapons: subdivided into the Paleolithic, Mesolithic, and Neolithic periods. [1860 65] * * * First known period of… …
114Film noir — Two silhouetted figures in The Big Combo (1955). The film s cinematographer was John Alton, the creator of many of film noir s iconic images …
115Circular saw — This miter saw uses a circular saw mounted to cut at an angle Buzzsaw redirects here. For other uses, see Buzzsaw (disambiguation). The circular saw is a machine using a toothed metal cutting disc or blade. The term is also loosely used for the… …
116Bulldozer — For other uses, see Bulldozer (disambiguation). A Caterpillar D10N bulldozer equipped with a single shank ripper. A bulldozer is a crawler (continuous tracked tractor) equipped with a substantial metal plate (known as a blade) used to push large… …
117Gorlov helical turbine — A.M.Gorlov with his turbine. The Gorlov helical turbine (GHT) is a water turbine evolved from the Darrieus turbine design by altering it to have helical blades/foils. It was patented in a series of patents from September 19, 1995[1] to July 3,… …
118Boat rigging (sport rowing) — Boats used in the sport of rowing may be adjusted in many different ways according to the needs of the crew, the type of racing, and anticipated rowing conditions. The primary objective of rigging a boat is to accommodate the different physiques… …
119Samurai Aerobics — Kenjutsu and Kendo are a few types of martial arts that were practiced by the Japanese people. Though it isn t used as much as it used to be, it is still quite popular. These martial arts involve the use of wooden sticks called Bokken. Infobox… …
120Stall (flight) — For other uses, see stall. In fluid dynamics, a stall is a reduction in the lift coefficient generated by a foil as angle of attack increases. This occurs when the critical angle of attack of the foil is exceeded. The critical angle of attack is… …
