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The following timeline provides a detailed list of the major events of the launch of STS-51-L, culminating in the destruction of Challenger. [4] The list also contains a transcript from the shuttle's Cockpit Voice Recorder (CVR), from ignition of the main engines to T+73 seconds.
The performance model was the Challenger R/T (Road/Track), with a 383 cu in (6.3 L) "Magnum" V8, rated at 335 hp (250 kW); 300 hp (224 kW) for 1971, due to a drop in compression. The standard transmission was a 3-speed manual.
Union Pacific 3985 is a four-cylinder simple articulated 4-6-6-4 "Challenger"-type steam locomotive built in July 1943 by the American Locomotive Company (ALCO) of Schenectady, New York, for the Union Pacific Railroad.
2025–26 ISU Challenger Series The 2024–25 ISU Challenger Series was held from September to December 2024. It was be the tenth season of the ISU Challenger Series, a group of senior-level international figure skating competitions.
P-Flub, or Challenge Impossible means the player believes the Mover cannot make a Solution using the cubes in Required, Permitted, and Resources. C-A-Flub means that the Challenger believes that the Mover, or some previous mover, missed an A-Flub. After a challenge, at least one player must show a correct Solution on paper.
Challenger I (Challenger UL) Single seat, 31.5 ft (9.6 m) wingspan gives lower stall speed. Can be fitted with a variety of engines. Qualifies as a US "Experimental - Amateur-Built", Light sport aircraft or with the 22 hp (16 kW) Hirth F-33 engine as a US FAR 103 Ultralight Vehicle, 800 reported completed and flown by the fall of 2011.
The North American Eagle Project was a jet powered car that was intended to challenge the 763 mph (1,228 km/h) (Mach 1.02) land speed record set by the ThrustSSC in 1997. . The venture was a collaboration between Canadian and US engineers, pilots, and mechan
The commission found that the immediate cause of the Challenger accident was a failure in the O-rings sealing the aft field joint on the right solid rocket booster, causing pressurized hot gases and eventually flame to "blow by" the O-ring and contact the adjacent external tank, causing structural failure. The failure of the O-rings was ...