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Sukhoi S-86

hesham

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Hi,

from Flightglobal,the Sukhoi S-86 in early design,notice a little
different from Sukhoi site,such as straight canard.
http://www.flightglobal.com/pdfarchive/view/1990/1990%20-%203109.html
http://www.suchoj.com/galerie/index.htm?http://www.suchoj.com/ab1953/S-86/galerie.shtml
 

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Triton

Donald McKelvy
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Sukhoi S-86

Type: Seven-seat twin-turboprop multipurpose transport.

Program: Completely redesigned successor revealed in 1992 to original S-86 project design shown above. Program canceled in 1995.

Design features: Unconventional high-wing configuration sweptforward wings of high apect ratio at rear of fuselage, with center-section of much increased chord extended rearward to carry widely separated twin tail units; small foreplane; main wheels of landing gear retract into large sponsons; wingtip pods with winglets; powerplant drives contra-rotating propellers between tail fins.

Flying controls: Ailerons and two-section trailing-edge flap on each wing; twin rudders and elevators on tail unit; moving trailing edge surfaces on foreplanes.

Landing gear: Retractable tricycle type; single wheel on each unit.

Power plant: Two unspecified 404 kW (542 shp) turboprops driving pusher contra-rotating propellers through combination gearbox; flush engine air intake each side of fuselage.

Accommodation: Pressurized cabin; three pairs of seats, second and third rows club-style with table between; seventh seat to rear, opposite washroom and toilet on starboard side; baggage compartment on port side after of rear seat; door each side of flight deck; passenger door in center of cabin on port side; alternative cabin arrangements for cargo. medical, and patrol missions.

Systems: Pressurization system gives cabin altitude of 2,400 m (7,875 ft) at normal cruising height.

Dimensions external

Wing span: 15.87 m (52 ft .75i n)
Wing aspect ratio: 11.98
Length overall: 11.57 m (37 ft 11.5 in)
Height overall: 3.90 m (12 ft 9.5 in)

Dimensions internal
Cabin length: 6.00 m (19 ft 8.25 in)
Cabin width: 1.64 m (5 ft 4.5 in)
Cabin height: 1.50 m (4 ft 11 in)
Cabin volume: 11.20 cu m (365 cu ft)

Areas
Wings, gross: 21.03 sq m (226.4 sq ft)

Weights and loadings
Operating weight empty: 2,900 kg (6,395 lb)
Max fuel: 1,350 kg (2,976 lb)
Max payload: 540 kg (1,190 lb)
Max T-O weight: 4,500 kg (9,920 lb)
Max wing loading: 214.0 kg/sq m (43.8 lb/sq ft)
Max power loading: 11.0 kg/kW (18.0 lb/shp)

Performance (estimated)
Max level speed: 323 knots (660 km/h; 373 mph)
Service ceiling: 10,500 m (34,450 ft)
T-O to, and landing from. 15 m (50 ft): 500 m (1.640 ft)
Range with max fuel: 1,885 nm (3,500 km; 2,175 miles)

Source: Lambert, Mark ed. Jane's All the World's Aircraft 1994-1995 Jane's Information Group Ltd. 1994 p. 369.


Three view drawing of Sukhoi S-86 re-design circa 1992.
Source: http://www.suchoj.com/galerie/index.htm
 

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