Aeromarine AMC

AMC (Aeromarine Metal Commercial)
Role Commercial flying boat
National origin United States
Manufacturer Aeromarine
First flight 1 June 1923
Introduction 1923
Number built 1


The Aeromarine AMC was the first American all-metal hulled commercial flying boat.[1]

Development

Design work on the AMC started in 1921 with the goal of producing an aluminum-hulled flying boat that would be more durable than contemporary all-wood construction. Aeromarine's wooden-hulled boats required drying out when waterlogged. The excess weight of a waterlogged hull could be as much as 456 lb. A model of the AMC was wind-tunnel tested at MIT before choosing an open cockpit design.[2]

Design

The AMC was a two-bay biplane flying boat with an aluminum hull. The spruce woodspar wings were fabric covered with small tip floats for stability. The engine was mounted just below the top wing in a pusher configuration with a forward-mounted radiator. Two 50 gallon streamlined main fuel tanks sat on the top wing on either side of the engine with a 70 gallon fuselage-mounted reserve. The hull was constructed of eighteen forms and five watertight bulkheads. It had two rows of small bench seats for passengers in the front. The pilot and mechanic sat slightly raised in individual open cockpits behind the passengers, beneath the main wing. The hull used Alcoa 17S aluminum treated with potassium nitrate with Canton flannel/Asphalt watertight seals and Valspar aluminum paint.[3]

Operational history

The AMC was intended to replace the Aeromarine 75 flying boats used by Aeromarine Airways in service between New York, San Juan, and Puerto Rico. Within three days of its first flight on 1 June 1923, the aircraft was flown from Keyport, New Jersey to New York to try to find additional customers. The aircraft flew 800 passengers on 186 flights before delivery to Aeromarine Airways in December 1923. The aircraft was christened the Morrow Castle II[4] and flew on record-setting long-distance flights between New Jersey, Cuba, San Juan, and Puerto Rico totalling fifteen thousand miles before returning to New Jersey. Aeromarine ceased service in late 1924, without a customer base for sales, only the one AMC was completed.[5]

The sole AMC was sold to Fairchild Air Transport (Fairchild Aerial Surveys Co of Canada Ltd ) on 25 May 1926 for use on Canadian passenger service and aerial photography.[6][7] It was dismantled on 28 February 1930.[8]

Specifications (AMC)

Data from Skyways

General characteristics

Performance

See also

Aircraft of comparable role, configuration and era

References

  1. "Aeromarine Website". Retrieved 6 February 2012.
  2. Ted Koch (July 1998). "Aeromarine Model A.M.C. Commercial Flying Boat, First All-Metal Hull Flying Boat". Skyways: 19.
  3. "none". Aviation, Volume 15. 1 January 1923.
  4. "The Aeromarine website". Retrieved 7 February 2012.
  5. E. R. Johnson. American flying boats and amphibious aircraft: an illustrated history. p. 12.
  6. S. Bernard Shaw. Photographing Canada from flying canoes. p. 119.
  7. E. R. Johnson. American flying boats and amphibious aircraft: an illustrated history. p. 12.
  8. "Civil Aircraft Register-Canada". Retrieved 6 February 2012.

External links

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