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The Szaraz SD-1A Daphne is a homebuilt aircraft that was designed for efficiency competitions.[1]

SD-1A Daphne
Role	Homebuilt aircraft Type of aircraft
National origin	United States
Designer	Arpad "Art" Szaraz, Bernie Darmstadt
First flight	1963
Number built	22

Design

The Daphne is a two place side-by-side configuration strut-braced high-wing, conventional landing gear equipped homebuilt. The fuselage uses welded steel tubing with aircraft fabric covering. The wings are wood, with one-piece plywood ribs. Both ailerons and flaperons have been installed on the design.[2]

Operational history

The first three examples were built on the same jigs at Art Szaraz's workshop.[2] According to Jane's AWA, by January 1970, at least 26 were under construction.[3]

Specifications (SD-1A Daphne)

Data from Sport Aviation.[2]

General characteristics

• Capacity: 2
• Length: 19 ft 7 in (5.97 m)
• Wingspan: 26 ft (7.9 m)
• Wing area: 130 sq ft (12 m²)
• Airfoil: NACA 4412
• Empty weight: 820 lb (372 kg)
• Gross weight: 1,300 lb (590 kg)
• Fuel capacity: 21 US gal (79 l)
• Powerplant: 1 × Continental C85-12F or Lycoming O-235/O-290 , 85–135 hp (63–101 kW)
• Propellers: 2-bladed

Performance

• Maximum speed: 130 kn (150 mph, 240 km/h)
• Cruise speed: 100 kn (120 mph, 190 km/h)
• Stall speed: 35 kn (40 mph, 64 km/h)
• Never exceed speed: 150 kn (170 mph, 270 km/h)
• Range: 390 nmi (450 mi, 720 km)
• Service ceiling: 14,500 ft (4,400 m)
• Rate of climb: 1,000 ft/min (5.1 m/s)

See also

Aircraft of comparable role, configuration, and era

• Wittman Tailwind
• Nesmith Cougar

References

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