Willie II
Role Two-seat sporting or aerobatic aircraft
National origin United States
Manufacturer Shober Aircraft Enterprises
First flight 1971
Number built 1

The Shober Willie II is an American two-seat sporting or aerobatic aircraft designed and built by Shober Aircraft Enterprises.[1] The aircraft was designed to be sold as plans for amateur construction.[1][2]

Design

The Willie II is a braced single-bay biplane with a fabric covered welded steel fuselage.[1] The two-spar wooden wings are fabric covered with wide-span ailerons on the lower wing and a fabric covered wired-braced welded steel tail unit.[1] The prototype is powered by a 180 hp (134 kW) Lycoming O-360-A3A four-cylinder piston engine.[1] It has two open cockpits in tandem and a fixed conventional landing gear with a tailwheel.[1]

Specifications (Prototype)

Data from Jane's All the World's Aircraft 1973-74[1]

General characteristics

  • Crew: 2
  • Length: 5.79 m (19 ft 0 in)
  • Wingspan: 6.10 m (20 ft 0 in)
  • Wing area: 13.75 m2 (148 sq ft)
  • Empty weight: 388 kg (856 lb)
  • Gross weight: 612 kg (1,350 lb)
  • Powerplant: 1 × Lycoming O-360-A3A four-cylinder horizontally-opposed air-cooled piston , 60 kW (80 hp)

Performance

  • Cruise speed: 241 km/h (150 mph, 130 kn)
  • Stall speed: 96 km/h (60 mph, 52 kn)
  • Range: 603 km (375 mi, 326 nmi)
  • Service ceiling: 4,570 m (15,000 ft)
  • g limits: +9 -9g
  • Rate of climb: 15 m/s (3,000 ft/min)

See also

Aircraft of comparable role, configuration, and era

References

Notes

  1. 1 2 3 4 5 6 7 Taylor 1973, p. 431
  2. ↑ Air Trails: 79. Winter 1971. {{cite journal}}: Missing or empty |title= (help)

Bibliography

  • Taylor, John W.R., ed. (1973). Jane's All the World's Aircraft 1973-74. London, United Kingdom: Jane's Yearbooks. ISBN 0-354-00117-5.
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