Supersonic transport | Wikipedia audio article
Channel: wikipedia tts
Date: 06/05/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Supersonic_transport


00:01:43 1 History
00:12:56 2 Realized supersonic airliners
00:13:38 2.1 Concorde
00:14:30 2.2 Tupolev Tu-144
00:15:03 3 Challenges of supersonic passenger flight
00:15:15 3.1 Aerodynamics
00:17:40 3.2 Engines
00:20:26 3.3 Structural issues
00:21:48 3.4 High costs
00:22:51 3.5 Takeoff noise
00:24:11 3.6 Sonic boom
00:26:47 3.7 Need to operate aircraft over a wide range of speeds
00:28:32 3.8 Skin temperature
00:29:46 3.9 Poor range
00:30:25 3.10 Airline desirability of SSTs
00:34:37 3.11 Environmental impact
00:36:36 4 Under development
00:42:48 4.1 Previous concepts
00:44:03 5 Hypersonic transport
00:46:30 5.1 Boeing Hypersonic airliner
00:48:31 6 See also



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SUMMARY
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A supersonic transport (SST) is a civilian supersonic aircraft designed to transport passengers at speeds greater than the speed of sound. To date, the only SSTs to see regular service have been Concorde and the Tupolev Tu-144. The last passenger flight of the Tu-144 was in June 1978 and it was last flown in 1999 by NASA. Concorde's last commercial flight was in October 2003, with a November 26, 2003 ferry flight being its last airborne operation. Following the permanent cessation of flying by Concorde, there are no remaining SSTs in commercial service. Several companies have each proposed a supersonic business jet, which may bring supersonic transport back again.
Supersonic airliners have been the objects of numerous recent and ongoing design studies. Drawbacks and design challenges are excessive noise generation (at takeoff and due to sonic booms during flight), high development costs, expensive construction materials, great weight, and an increased cost per seat over subsonic airliners. Despite these challenges, Concorde was claimed to operate profitably, although that was due to write off of all development and construction costs plus the willingness of passengers to pay high fares.In 2016, NASA announced it had signed a contract for the design of a modern low-noise SST prototype. The designing team is led by Lockheed Martin Aeronautics.