Sling Aircraft Sling HW

The Sling HW is a South African four-seat, single-engine, high-wing homebuilt aircraft sold in kit form by Sling Aircraft of Johannesburg South.[1] It was developed from the Sling Aircraft Sling TSi and is the first high-wing model developed by Sling Aircraft.[2]

Sling HW
Role homebuilt aircraft
National origin South Africa
Manufacturer Sling Aircraft
First flight December 2020
Developed from Sling Aircraft Sling TSi

The company is inconsistent in the aircraft's nomenclature and the official website variously refers to it as the Sling 4 HW, Sling HW and the Sling 4 High Wing.[1]

Design and development

The development of the Sling HW was announced at EAA AirVenture Oshkosh in 2019.[2][3]

The aircraft was developed between 2019 and 2020. The Sling HW is a cantilever high-wing, fixed tricycle gear homebuilt aircraft. Construction is metal, with the center of the fuselage made from carbon fiber. The airplane is equipped with a Rotax 915iS powerplant of 141 hp (105 kW).[1][4]

The development of a high-wing model follows customer demand to provide better ground visibility and back country capability, compared to low-wing aircraft. The Sling High Wing has much parts commonality with the Sling TSi, with the major difference in the center section to accommodate the high-wing design.[4]

The first flight of the prototype was in December 2020.[5]

Specifications (2021 model Sling HW)

Data from manufacturer[1]

General characteristics

  • Crew: one
  • Capacity: three passengers
  • Length: 23.54 ft (7.17 m)
  • Wingspan: 31.3 ft (9.5 m)
  • Height: 8 ft (2.4 m)
  • Empty weight: 1,257 lb (570 kg)
  • Gross weight: 2,315 lb (1,050 kg)
  • Fuel capacity: 52.04 US gallons (197.0 l; 43.33 imp gal)
  • Powerplant: 1 × Rotax 915iS horizontally-opposed piston aircraft engine, 141 hp (105 kW)
  • Propellers: 3-bladed Airmaster Propellers electric constant speed propeller

Performance

  • Cruise speed: 145 kn (167 mph, 269 km/h) true airspeed
  • Stall speed: 47 kn (54 mph, 87 km/h) full flaps, indicated airspeed
  • Never exceed speed: 155 kn (178 mph, 287 km/h) indicated airspeed
  • Range: 880 nmi (1,010 mi, 1,630 km) 75% power with 45 minute reserve
  • Endurance: 8 hours
  • Service ceiling: 18,000 ft (5,500 m)

See also
Similar aircraft

References
  1. Sling Aircraft. "Sling HW Official Website". slingaircraft.com. Archived from the original on 9 January 2021. Retrieved 9 January 2021.
  2. Dan Johnson. "Oshkosh 2019… All Done! More Great Light-Sport Aircraft Stories (and Video)". bydanjohnson.com. Retrieved 10 January 2021.
  3. African Pilot. "Sling launches its high wing at airventure". www.pressreader.com. Retrieved 9 January 2021.
  4. Pilot's Post. "Sling's High Wing, another success in the making". pilotspost.com. Retrieved 10 January 2021.
  5. "Sling HW First Flight video by the manufacturer Sling Aircraft". www.youtube.com. Retrieved 9 January 2021.
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