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At Mach 0.65, u is 65% of the speed of sound (subsonic), and, at Mach 1.35, u is 35% faster than the speed of sound (supersonic). An F/A-18 Hornet creating a vapor cone at transonic speed just before reaching the speed of sound. The local speed of sound, and hence the Mach number, depends on the temperature of the surrounding gas.
In aerodynamics, a hypersonic speed is one that exceeds five times the speed of sound, often stated as starting at speeds of Mach 5 and above. [1] The precise Mach number at which a craft can be said to be flying at hypersonic speed varies, since individual physical changes in the airflow (like molecular dissociation and ionization) occur at ...
Mach 5 or variation, may refer to: Mach 5 (speed), a mach number representing the delimiting speed separating supersonic speed (below Mach 5) from hypersonic speed (above Mach 5), 5 times the speed of sound; Mach Five (Japanese: マッハ号, romanized: Mach Go), a racing car in the Speed Racer franchise; Mach-V, an alias of the Marvel Comics ...
A Speed Racer-themed catamaran, named after the franchise, was built in 2005, designed to resemble the Mach 5. [15] Road & Track magazine released an article about a "real" Mach 5 prototype car on 31 March 2008 (the day before April 1st), about a "genuine running model" made for the 2008 film. The article included performance data and feature ...
The vehicle design was intended to have about 20,000 kilometres (11,000 nautical miles) range and good subsonic and supersonic speed fuel efficiency, thus avoiding the problems inherent in earlier supersonic aircraft. The top speed is projected to be Mach 5+.
Still in testing, ARRW is launched from an aircraft and uses a boost-glide system: A conventional missile accelerates it to Mach 5, then it detaches and glides at high speed toward its target.
The Mach 5, Speed Racer's car ("Mahha Gō," or "Mahha," in the Japanese version), is a technological marvel, containing useful pieces of equipment. Gō Mifune/Speed Racer easily deployed these gadgets by pressing buttons marked "A" through "G" on the steering wheel hub (although there are buttons on the steering wheel in the manga, the letter ...
The flight took place on 13 June 2011. However, the flight over the Pacific Ocean ended early due to an inlet unstart event after being boosted to Mach 5 speed. The flight data from the test was being investigated. [29] A B-52 released the X-51 at an approximate altitude of 50,000 feet (15,000 m).