Spacek SD-1 Minisport

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SD-1 Minisport
Spacek SD-1 Minisport.jpg
Role Amateur-built aircraft
National origin Czech Republic
Manufacturer Spacek sro
SkyCraft Airplanes
Designer Igor Špaček
Status Plans and kits available (2016)
Number built about 41 flying by November 2015[1]
Unit cost
210 (plans only, 2016)
US$54,000 production model[2]
SkyCraft Airplanes SD-1 Minisport

The Spacek SD-1 Minisport is a Czech amateur-built aircraft, designed by Igor Špaček and produced by Spacek sro of Hodonin. The aircraft is also produced in the US by SkyCraft Airplanes of Orem, Utah as a light-sport aircraft. The aircraft is supplied in the form of plans, as a kit for amateur construction, or as a ready-to-fly aircraft.[3][4][5]

Design and development[edit]

The aircraft features a cantilever low-wing, a single-seat enclosed cockpit, fixed conventional landing gear or optionally tricycle landing gear, a T-tail and a single engine in tractor configuration. Due to its very light weight it can qualify for the German 120 kg category.[3][4][6] [7]It complies with the United Kingdom SSDR rules for single seat deregulated microlight aeroplanes.[8]

The aircraft is made from wood, with judicious use of composites, including for the wing spar. Its 6 m (19.7 ft) span wing employs an A315 airfoil, has an area of 6 m2 (65 sq ft) and utilizes flaperons. Engines of 24 to 50 hp (18 to 37 kW) can be used. Standard engines tested are the 28 hp (21 kW) Hirth F33, the 50 hp (37 kW) Hirth F23 two-strokes, the 24 hp (18 kW) or 33 hp (24kw) Briggs and Stratton Vanguard, or the Verner JCV-360 powerplants. The Rotax 447, Hirth 2702, Zanzottera MZ 201, Simonini Victor 1, 2si 460 and Half VW can also be used.[3][9]

By November 2015 113 had been sold worldwide and about 41 were flying.[1]

At the end of May 2014 SkyCraft Airplanes announced that light-sport flight testing on its version had been completed. Their model has a revised cockpit, including Dynon SkyView instrumentation, a hydraulic brake system and the 50 hp (37 kW) Hirth F-23 two-stroke fuel-injected engine.[10][11] The company's intention was that 12 aircraft would be built for the first production run.[12] However, as of 7 August 2017 the SD-1 was still not on the Federal Aviation Administration's list of accepted light-sport aircraft.[13]

Variants[edit]

SD-1 TD
Conventional landing gear (taildragger) version[9]
SD-1 TG
Tricycle gear version[9]
SD-1 TD XL
Conventional landing gear (taildragger) version for taller pilots[9]
SD-1 TG XL
Tricycle gear version for taller pilots[9]
SD-2 SportMaster
2-seat tricycle gear version [14]

Accidents[edit]

In September 2013, during a test and evaluation flight, a loss of control was experienced and the aircraft crashed. The ballistic parachute did not deploy properly, and the pilot was killed.[15]

Specifications (SD-1)[edit]

Data from Bayerl and Spacek sro[3][9][16]

General characteristics

  • Crew: one
  • Length: 4.35 m (14 ft 3 in)
  • Wingspan: 6 m (19 ft 8 in)
  • Height: 1.23 m (4 ft 0 in)
  • Wing area: 6 m2 (65 sq ft)
  • Airfoil: A315
  • Empty weight: 110 kg (243 lb)
  • Gross weight: 240 kg (529 lb)
  • Fuel capacity: 34 litres (7.5 imp gal; 9.0 US gal)
  • Powerplant: 1 × Hirth F33 single cylinder, air-cooled, two stroke aircraft engine, 21 kW (28 hp)
  • Propellers: 2-bladed wooden, 1.2 m (3 ft 11 in) diameter

Performance

  • Maximum speed: 190 km/h (118 mph; 103 kn)
  • Cruise speed: 155 km/h (96 mph; 84 kn)
  • Stall speed: 63 km/h (39 mph; 34 kn) flaperons deployed
  • Never exceed speed: 210 km/h (130 mph; 113 kn)
  • g limits: +4/-2
  • Maximum glide ratio: 13:1
  • Rate of climb: 3 m/s (590 ft/min)
  • Wing loading: 40 kg/m2 (8.2 lb/sq ft)

See also[edit]

Similar aircraft

References[edit]

  1. ^ a b Gunston, Bill (2016). Jane's All the World's Aircraft  : development & production : 2016-17. IHS Global. p. 208. ISBN 978-0-7106-3177-0. 
  2. ^ "SkyCraft". Retrieved 16 August 2014. 
  3. ^ a b c d Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 120. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X
  4. ^ a b Tacke, Willi; Marino Boric; et al: World Directory of Light Aviation 2015-16, page 127. Flying Pages Europe SARL, 2015. ISSN 1368-485X
  5. ^ "SkyCraft begins production on SD-1 Minisport — General Aviation News". Generalaviationnews.com. 2013-05-27. Retrieved 2014-05-01. 
  6. ^ Spacek sro (2012). "The SD-1 Minisport Design Philosophy". Retrieved 19 December 2012. 
  7. ^ Mike. "„Deutscher Meister im Fliegergewicht." - Das wirklich leichte Fliegen". ultraleicht120.de. Retrieved 2 August 2017. 
  8. ^ "United Kingdom Civil Aviation Authority INFORMATION NOTICE Number: IN–2014/091" (PDF). Retrieved 8 December 2014. 
  9. ^ a b c d e f Spacek sro (2011). "The SD-1 Minisport Technical Datas". Retrieved 18 October 2012.  [sic]
  10. ^ Durden, Rick (30 May 2014). "SD-1 Minisport Flight Testing Completed". AVweb. Retrieved 2 June 2014. 
  11. ^ Grady, Mary (8 July 2014). "SkyCraft Ready To Fly, Expanding In Utah". AVweb. Retrieved 11 July 2014. 
  12. ^ "Pilot Briefing". AOPA Pilot. September 2014. 
  13. ^ Federal Aviation Administration (7 August 2017). "FAA Make/Model Directory for SLSA". Retrieved 8 September 2017. 
  14. ^ "SD-2 DESCRIPTION". sdplanes.com. Retrieved 29 January 2016. 
  15. ^ "Updated: Only US SkyCraft MiniSport Down in Utah Test Flight | Aero-News Network". www.aero-news.net. Retrieved 2017-09-08. 
  16. ^ "SD-1 VERSIONS". sdplanes.com. Retrieved 29 January 2016. 

External links[edit]