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An Air Lanka L-1011-500 TriStar ferrying an extra engine. The TriStar 500 is equipped with the more powerful RB211-524B engines. Initially rated at 50,000 lbf (220 kN) thrust each, the higher-thrust 53,000 lbf (240 kN) -524B4 Improved (also referred to as the -524B4I) later became available, which also offered improved fuel efficiency .
About 65% of Flight 1420's weight would have been supported by the plane's landing gear if the spoilers had been deployed, but without the spoilers, this number dropped to only 15%. [1]: 134 With the light loading of the landing gear, the aircraft's brakes were ineffective at slowing down the plane, which continued down the runway at high speed.
The improved crossflow behaviour also benefits lateral characteristics by reducing yaw-induced roll, especially during landing and takeoff of delta-winged aircraft. This in turn helps reduce roll-yaw coupling and any tendency to Dutch roll. However chines have also been found to reduce lateral stability in some configurations, due to abrupt ...
The Thor-Delta, also known as Delta DM-19 or just Delta was an early American expendable launch system used for 12 orbital launches in the early 1960s. A derivative of the Thor-Able , it was a member of the Thor family of rockets, and the first member of the Delta family.
Delta-v (also known as "change in velocity"), symbolized as and pronounced deltah-vee, as used in spacecraft flight dynamics, is a measure of the impulse per unit of spacecraft mass that is needed to perform a maneuver such as launching from or landing on a planet or moon, or an in-space orbital maneuver.
The Apollo command and service module (CSM) was one of two principal components of the United States Apollo spacecraft, used for the Apollo program, which landed astronauts on the Moon between 1969 and 1972.
Cropped delta – tip is cut off. This helps maintain lift outboard and reduce wingtip flow separation (stalling) at high angles of attack. Most deltas are cropped to at least some degree. In the compound delta, double delta or cranked arrow, the leading edge is not straight. Typically the inboard section has increased sweepback, creating a ...
The Delta IV Heavy (Delta 9250H) was an expendable heavy-lift launch vehicle, the largest type of the Delta IV family. It was the world's third highest-capacity launch vehicle in operation at the time of its retirement in 2024, behind NASA 's Space Launch System and SpaceX 's Falcon Heavy and closely followed by CASC 's Long March 5 .