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Testing was planned to cover a range of sonic boom overpressures on the ground similar to but higher than those anticipated from the proposed American SST. [94] In 1966, AV-2 was selected for the program and was outfitted with test sensors. It flew the first sonic boom test on 6 June 1966, attaining a speed of Mach 3.05 at 72,000 ft (22,000 m ...
A D-21 mounted on an M-21 began captive flight-testing on 22 December 1964. Aerodynamic covers were initially placed over the D-21's intake and exhaust to reduce drag, but had to be removed after the first few tests, as no way of discarding them at Mach 3 without damaging the drone or carrier plane could be devised.
One series was simply called Sonic the Hedgehog, and featured a story about a normal hedgehog boy named Nicky who can change into Sonic. [68] The other series was a compilation of short stories and was separated into two volumes, the first being called Dash and Spin, and the other called Super Fast Sonic!!.
The sonic boom was not thought to be a serious issue due to the high altitudes at which the planes flew, but experiments in the mid-1960s such as the controversial Oklahoma City sonic boom tests and studies of the USAF's North American XB-70 Valkyrie proved otherwise (see Sonic boom § Abatement). By 1964, whether civilian supersonic aircraft ...
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Data from Aviation Week [needs update] General characteristics Crew: 1 (Design allows for a second seat) Length: 68 ft (21 m) Wingspan: 17 ft (5.2 m) Height: 17 ft 0 in (5.2 m) Max takeoff weight: 13,500 lb (6,123 kg) Powerplant: 3 × General Electric J85 -15 turbojet, 4,300 lbf (19 kN) thrust each Performance Maximum speed: Mach 2.2 Range: 1,000 nmi (1,200 mi, 1,900 km) See also Supersonic ...
Thrust SSC Photos Pictures from Blackrock, Nevada – 15 October 1997 Speed Record Club – The Speed Record Club seeks to promote an informed and educated enthusiast identity, reporting accurately and impartially to the best of its ability on record-breaking engineering, events, attempts and history.
The Boeing 2707 was an American supersonic passenger airliner project during the 1960s. After winning a competition for a government-funded contract to build an American supersonic airliner, Boeing began development at its facilities in Seattle, Washington.