Elias EM explained

The Elias EM was a 1920s American general-purpose and marine expeditionary biplane built by Elias.

Development

The company designed the Elias EM-1 to meet a United States Marine Corps requirement for a multirole marine expeditionary aircraft. It was required to operate on either floats or wheels. The EM-1 was a tandem two-seat unequal-span biplane powered by a 300 hp (224 kW) Wright-Hispano H engine. The prototype was modified with equal-span wings and delivered to the Marine Corps in 1922. Six production aircraft were built (designated EM-2) having equal-span wings, being powered by 400 hp (298 kW) Liberty 12 inline engines. ^[1]

One production aircraft was delivered to the United States Marine Corps and five to the United States Navy. One of the Navy aircraft was modified as an observation aircraft and redesignated EO-1.

Variants

EM-1

Prototype with a 300hp (224kW) Wright-Hispano H engine, one built.

EM-2

Production aircraft with a 400hp (298kW) Liberty 12 inline engine, six built including one later converted to an EO-1.

EO-1

One EM-2 aircraft converted as an observation aircraft.

Operators

• United States Marine Corps
• United States Navy

References

• John Andrade, U.S.Military Aircraft Designations and Serials since 1909, Midland Counties Publications, 1979, (Page 171)
• The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985), 1985, Orbis Publishing

Notes and References

1. Web site: Elias EM . Aerofiles.com . Aerofiles . 20 July 2020.

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