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Timm Aircoach

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Aircoach
Role Cabin biplane
National origin United States
Manufacturer O.W. Timm Aircraft Company[1]
Designer Otto Timm
Introduction September 1928
Number built 1

The Timm Aircoach, also called the Timm Coach and the Golden Shell Special, was a custom-built, high-capacity, high altitude aircraft for charter flights.[2]

Design and development

The Aircoach was built in a shop at Glendale Airport, where Otto and Wally Timm had a shop. Al Menasco had a shop nearby where he modified engines. The Aircoach used a Menaso modified Salmson engine.[3]

The Aircoach was a single engine, conventional landing gear equipped biplane with an open cockpit for two pilots and enclosed passenger cabin. The fuselage was made of welded steel tubing with plywood covering.[4]

Operational history

Roscoe Turner flew the underpowered Shell Special twice, attempting endurance records. Each flight resulted in damage and the efforts were abandoned.[4]

Specifications (Aircoach)

Data from Skyways

General characteristics

  • Crew: 2
  • Capacity: 5
  • Length: 31 ft 9 in (9.68 m)
  • Wingspan: 45 ft (14 m)
  • Height: 11 ft (3.4 m)
  • Fuel capacity: 70 U.S. gallons (260 L; 58 imp gal)
  • Powerplant: 1 × Menasco conversion of Salmson Water Cooled Radial, 260 hp (190 kW)
  • Propellers: 2-bladed

Performance

  • Maximum speed: 97 kn (112 mph, 180 km/h)
  • Stall speed: 40 kn (46 mph, 74 km/h)

References

Notes
  1. ^ Cooper, Ralph. "Otto Timm." Early Aviators. Retrieved: January 12, 2012.
  2. ^ Underwood 2006, p. 36.
  3. ^ "Glendale Airport." airportjournals.com. Retrieved: January 12, 2012.
  4. ^ a b Skyways, July 2001, p. 52.
Bibliography
  • Underwood, John. Grand Central Air Terminal. Mount Pleasant, South Carolina: Arcadia Publishing, 2006. ISBN 0-73854-682-8.