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From Wikipedia, the free encyclopedia
Sukhoi-Gulfstream S-21 was a projected Russian-American supersonic business jet.
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S-21 | |
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General information | |
Type | Supersonic business jet |
Manufacturer | Sukhoi Design Bureau/Gulfstream Aerospace |
In the early 1990s, Gulfstream Aerospace and the Sukhoi Design Bureau began a joint effort to develop a supersonic small business jet, code named the S-21. Due to questionable market demand for commercial supersonic air travel, commitment to the project weakened and delays mounted.[1]
Gulfstream eventually dissolved the partnership, although Sukhoi continued work on the S-21.
The S-21 would be capable of sustained cruise at Mach 2+ and much research and development has gone into the management of the troublesome transonic effects phenomena associated with near Mach 1 air speeds.
As of 2012, the project had not received any funding for the 2013-2025 development period and appeared to be cancelled.[2]
General characteristics
Performance
Aircraft of comparable role, configuration, and era
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