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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]

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

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

• Stolp Starduster

References

Notes

Bibliography

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