The Hoefelman CH-1 Schatzie is an American aircraft that was designed by Charles D Hoefelman for homebuilt construction.

The Schatzie is a single engine, negative stagger biplane with retractable conventional landing gear. The fuselage is welded steel tubing with aircraft fabric covering. The wing is of wood construction.^[1]

Data from Sports Planes

General characteristics

• Crew: 1
• Length: 18 ft 3 in (5.56 m)
• Wingspan: 23 ft 4 in (7.11 m)
• Powerplant: 1 × Lycoming O-235 horizontally-opposed piston aircraft engine, 125 hp (93 kW)

Performance

• Maximum speed: 123 kn (141 mph, 227 km/h)
• Cruise speed: 110 kn (130 mph, 210 km/h)
• Range: 320 nmi (370 mi, 600 km)

Aircraft of comparable role, configuration, and era

• Sorrell Hiperbipe