SNS-2 Guppy
Role	Single-seat homebuilt cabin biplane Type of aircraft
National origin	United States
Manufacturer	Sorrell Aircraft Company Thunderbird Aviation
Designer	Hobie Sorrell
First flight	1967

The Sorrell SNS-2 Guppy is an American single-seat, negative stagger, cabin biplane designed for amateur construction that was produced in kit form by the Sorrell Aircraft Company of Tenino, Washington.^[1] As of 2019^[update] plans were available from Thunderbird Aviation of Ray, Michigan.^[2]

Design

The SNS-2 Guppy is a wooden-built negative-stagger biplane with a fixed conventional landing gear with a tailwheel. Designed to use engines up to 36 hp (27 kW) the kit came with a 32 hp (24 kW) Rotax 377 engine.^[1]

Specifications

Data from Jane's All the World's Aircraft 1989-90^[1]

General characteristics

• Crew: one
• Length: 15 ft 3 in (4.65 m)
• Wingspan: 21 ft 3 in (6.48 m)
• Height: 5 ft 2 in (1.57 m)
• Wing area: 129 sq ft (12.0 m²)
• Empty weight: 350 lb (159 kg)
• Max takeoff weight: 600 lb (272 kg)
• Powerplant: 1 × Rotax 377 piston aircraft engine, 32 hp (24 kW)

Performance

• Maximum speed: 80 mph (130 km/h, 70 kn)
• Cruise speed: 70 mph (110 km/h, 61 kn)
• Stall speed: 30 mph (48 km/h, 26 kn)
• Range: 210 mi (340 km, 180 nmi)
• Service ceiling: 10,200 ft (3,100 m)
• g limits: +4
• Rate of climb: 300 ft/min (1.5 m/s)