spring thrust
101Glossary of ballet — Ballet is a formalized type of dance; ballet dance is usually performed on stage as part of a ballet dance work which includes mime, acting, and is set to music. Dancers can perform either en pointe or demi pointe; in ballet class, the dancers… …
102Aircraft flight control systems — consist of flight control surfaces, the respective cockpit controls, connecting linkages, and the necessary operating mechanisms to control an aircraft s direction in flight. Aircraft engine controls are also considered as flight controls as they …
103Mount Tamalpais — Mt. Tamalpais as seen from Muir Beach Overlook Elevation 2,574 feet (784 metres) …
104Propelling nozzle — A propelling nozzle is a component of a jet engine that is found at the tail of the engine that operates to form an exhaust jet and to maximise the use of the exhaust gas s energy throughout the engine so that the maximum overall thrust is… …
105World War II in Timeline-191 — Infobox Military Conflict conflict=Second Great War partof= Timeline 191 caption= date=1941 1944 place=Worldwide casus=Europe: French invasion of Alsace Lorraine after German refusal to return it to FranceNorth America: Confederate invasion of… …
106Giacomo di Grassi — was an Italian fencing master who wrote a fencing manual, entitled Ragione di adoprar sicuramente l Arme, si da offesa come da difesa , in 1570. The text was later tranlsated into English and published again in 1594, as DiGrassi, His True Arte of …
107Ryan Model 147 — The Ryan Model 147 Lightning Bug was a drone, or unmanned aerial vehicle, developed from the earlier Ryan Firebee target drone series.DevelopmentRyan Model 136 Red Wagon and Lucy LeeIn 1959, Ryan Aeronautical performed a study to investigate how… …
108United States campaigns in World War I — Two United States soldiers storm a bunker past the bodies of two German soldiers during World War I. Digitally restored. The American Expeditionary Force was engaged in 13 campaigns in World War I, during the period 1917–1918, for which campaign… …
109Bereznyak-Isayev BI-1 — infobox Aircraft name =Bereznyak Isayev 1 type =Fighter manufacturer =OKB 293 caption =The BI 1 designer =A.Y.Bereznyak and A.M.Isayev first flight =15 May 1942 retired =9 March 1945 primary user =Soviet Air Force number built =9Soviet research… …
110Helicopter — For other uses, see Helicopter (disambiguation). Helicopter An LAPD Bell 206 …
