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Sukhoi S-21

Triton

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Projected originally as a joint program by Sukhoi and Gulfstream Aerospace; separate studies for aircraft of this type started by Sukhoi in 1987 and by Gulfstream in 1988. Design submitted by Sukhoi in October 1991. Gulfstream withdrew from program in 1992. First flight originally scheduled for 1994. Series production was planned in 2000 with demand forecast at 150 aircraft.

Model of Sukhoi S-21 six/ten passenger supersonic transport from the USSR-Russian Aviation and Space Collectibles web site.

Text source: Jackson, Paul editor. Jane's All the World's Aircraft 1995-96 Jane's Information Group Limited 1995

Source: http://www.ussr-airspace.com/index.php?main_page=product_info&cPath=28_39_38_97&products_id=720
 

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saturncanuck

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Triton said:
Projected originally as a joint program by Sukhoi and Gulfstream Aerospace; separate studies for aircraft of this type started by Sukhoi in 1987 and by Gulfstream in 1988. Design submitted by Sukhoi in October 1991. Gulfstream withdrew from program in 1992. First flight originally scheduled for 1994. Series production was planned in 2000 with demand forecast at 150 aircraft.

Model of Sukhoi S-21 six/ten passenger supersonic transport from the USSR-Russian Aviation and Space Collectibles web site.

Text source: Jackson, Paul editor. Jane's All the World's Aircraft 1995-96 Jane's Information Group Limited 1995

Source: http://www.ussr-airspace.com/index.php?main_page=product_info&cPath=28_39_38_97&products_id=720

I remember this. Why did they not build it? Too much money?
 

fightingirish

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Here an early study of the Gulfstream/Sukhoi SSBJ shown at the NBAA in Atlanta, 1989.
The picture was on page 47 in an article about the NBAA Atlanta 1989, published in the German aircraft magazine Flug-Revue.
This SSBJ had 2+12 seats, about 6500km/4039 miles rage, max. speed at M 2.0 and powered by two Rolls-Royce Jet engines.
Ignore the picture caption ;) - but please notice the rear entry stairs and the small fins. :eek:
I can't see, if it has a drop down nose like as on the Concorde or more like as on the Sukhoi T-4.

Picture source: Flug-Revue - Schubstark in die Zukunft, November 1989, page 44-47
 

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Machdiamond

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That particular configuration had synthetic vision and a periscope as backup.
So the nose is fixed.
--Luc
 

Stargazer2006

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I was soooo in love with this project at the time. Funny how US-Russian collaboration suddenly felt like it was almost at hand. And now, 20 years down the line, there hasn't been a true joint aircraft program. I too wonder why the SSBJ was shelved...
 

hesham

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Hi,

I found this project in Flightglobal

http://www.flightglobal.com/pdfarchive/view/1989/1989%20-%203231.html
 

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Triton

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Artist's impression of Gulfstream Sukhoi Supersonic Business Jet.

Source:
http://cgi.ebay.co.uk/Gulfstream-Sukhoi-Rolls-Royce-Supersonic-Business-Jet-/260788954038?pt=LH_DefaultDomain_0&hash=item3cb83ba3b6
 

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Triton

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The late Sukhoi Chief Designer Mikhail Simonov with models of Sukhoi S-21 design concepts.

Source:
http://forum.canardpc.com/threads/15950-Vous-aimez-les-avions/page160
 

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flateric

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these are not S-21s. closer is S-51, and the second one is much later SSBJ concept
 

Triton

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Source:
http://proektor.livejournal.com/333221.html?thread=3316645
 

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Stargazer2006

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Artwork by Viktor Rozlik for Yugoslav magazine Aerosvet in June 1991:
 

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Cy-27

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From an early 1990's publicity handout on the Gulfstream-Sukhoi Supersonic Business Jet, a new artists impression and the seating configuration at that time.
 

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hesham

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Early drawing for it,


http://www.flightglobal.com/pdfarchive/view/1991/1991%20-%201241.html
 

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flateric

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flateric said:
these are not S-21s. closer is S-51, and the second one is much later SSBJ concept
namely, S-16 with VG wings
there was also S-11 that was _after_ S-21/S-51
 

hesham

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Great info my dear Flateric,


do you have a drawing to S-11 ?.
 

hesham

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Hi,


so weird,in a book about Tupolev Tu-144,here is schedule shows a Project called S-2101,what was
it ?.

Первые сверхзвуковые - Ту-144 против "Конкорда"
 

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flateric

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These are not S-21. You know that perfect - so why do you post them here?
 

hesham

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OH sorry my dear Flateric,


I didn't see your reply # 10,I looked only to the reply # 9,so I thought it was S-21.
 

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