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Sukhoi Wing-In-Ground (WIG) concepts

Triton

Donald McKelvy
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Stargazer2006 said:
Great. Any approximate dates for these projects?

The WIG Page says that Sukhoi OKB froze the design of the S-90-8 and the S-90-200 in 1992. No date is provided for the S-90.

Source: The WIG Page
http://www.se-technology.com/wig/index.php
 

Triton

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Via Internet Archive:

Sukhoi S-90-8

The S-90-8 WIG vehicle is the latest representative of the WIG vehicle family designed by Sukhoi Design Bureau. The S-90-8 is a high speed passenger craft intended for carrying 8 passengers over a water surface on short-haul routes.
Its design features are a high speed, comfort, and cost effectiveness. The high performance of the WIG vehicle is the result of its perfect aerodynamics, the use of advanced scientific and engineering solutions, an optimized powerplant based on the Czech-built M601 series produced engine, and advanced on-board equipment. Besides, the development of the S90-8 is additionally aimed at creating the vehicle, the development, building and test experience of which will allow to extend the development work on larger WIG vehicle with a less technical risk. A brief description of the S-90-8 design is given below. Aerodynamically, the S-90-8 is a two-fuselage craft of conventional aerodynamic configuration with a center-wing section arranged between the fuselages.

Fuselage. The fuselages of a moderate fineness ratio are ogival cross-section structures which have segmented rubber-fabric shells on their bottom surfaces. The arrangement of the left and right fuselages is similar. The nose section of each accommodates an electronic equipment bay followed by a passenger cabin. There are a pilots station and three passenger seats in the left passenger cabin, and four passenger seats in the right one. A large glazing area of the bubble canopies affords good view in all directions. Between the fuselage is a thick profiled center wing section with a cutout (a shaped port) located in its forward part, to pass the propeller air stream for creating a static air cushion. This radically improved the aerodynamic characteristics of the vehicle and ensures take-off from, and landing on a water or firm surface.

Wing and Tail Surfaces: The wings, with an aspect ratio of 5.0, are slightly swept forward at the leading edges, the sweep angle being -1deg. The wings are fitted with ailerons for lateral control. Dihedral is 100. The tail sections of the vehicle fuselages mount a Vee tail unit, the panels of which are canted 450 outside. Each of the tail unit panels has a control surface.

Powerplant. An engine nacelle housing the M-601 turboprop engine with a four-bladed variable pitch coaxial propeller is mounted on a pylon located along the line of symmetry of the center-wing section in its forward part. The engine is rated at 740 hp (551 kW).

Specifications and Performance

Length: 38.38 ft (11.7 m)
Wingspan: 49.53 ft (15.1 m)
Height: 11.48 ft (3.5 m)
Tailplane span: 30.50 ft (9.3 m)

Wing area w/center section: 518.78 sq ft (48.2 sq m)
Center section area: 393.93 sq ft (36.6 sq m)
Outerwing panel area: 124.85 sq ft (11.6 sq m)
Aileron area: 14.10 sq ft (1.31 sq m)
Tailplane area: 118.39 sq ft (11.0 sq m)
Control surfaces area: 30.78 sq ft (2.86 sq m)

Wing leading edge forward sweep angle: -1 deg
Tailplane incidence: 30

Take-off gross weight: 8,155 lbs (3,700 kg)
Fuel weigh: 1,102 lbs (500 kg)

Wing loading at normal take-off weight: 15.71 lb/sq ft (77 kg/sq m)
Specific power at standard take-off weight: .44 hp/lb( .2 hp/kg)

Max speed: 186 mph (300 kmh)
Cruise speed: 124 mph (200 kmh)

Max range: 397 miles (640 km)
Range with max payload: 273 miles (440 km)

Max flight altitude: 4,920 ft (1,500 m)
Ground effect altitude: 4.9-6.6 ft (1.5-2 m)

Passengers: 8


Model and three-view drawing of Sukhoi S-90-8.

Text source:
http://web.archive.org/web/20090209091937/http://www.geocities.com/CapeCanaveral/Hangar/4346/S90.htm

Image source:
http://www.suchoj.com/galerie/index.htm
 

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Stargazer2006

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New topic split from the generic WIG topic.

Please use this topic for any Sukhoi-related WIG projects.
 

hesham

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Hi,

I don't know if I translate it well or not,a WIG Project called Sukhoi S-917,right ?.

http://www.sciteclibrary.ru/rus/catalog/pages/13792.html
 

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