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Erco I-L 116 In-line Engine

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Display Status:

This object is on display in the Boeing Aviation Hangar room at Steven F. Udvar-Hazy Center in Chantilly, VA.

Collection Item Summary:

ERCO I-L 116

In late 1938, the Engineering and Research Corporation (ERCO) searched unsuccessfully for a suitable engine for its new “safe” airplane, the Ercoupe. ERCO hired Harold E. Morehouse, former engineer in charge of small engine design at Continental Motors, to design a new engine. He came up with the inverted, in-line I-L 116, which provided good pilot visibility and enhanced aircraft streamlining.

ERCO installed the I-L 116 in the prototype Ercoupe Model 310 in 1939. The engine performed well, but ERCO discontinued it when Continental introduced the A65 engine in 1940, which generated comparable horsepower at half the cost. ERCO manufactured parts for six I-L 116s but built only three. This one is believed to be the last remaining example.

Gift of Norman F. Carden III, Executive Director, Ercoupe Owner's Club

Type:reciprocating, inverted in-line, 4 cylinders, air cooled

Power rating:48.5 kW (65 hp) at 3,500 rpm

Displacement:1.9 L (116 cu in)

Weight:71.7 kg (158 lb)

Manufacturer:Engineering and Research Corp., Riverdale, Md.

A19860023000

Collection Item Long Description:

Data Source

National Air and Space Museum

Rights

Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum

Manufacturer

Erco

Designer

Harold E. Morehouse

Credit Line

Gift of Norman F. Carden III, Executive Director, Ercoupe Owner's Club.

Dimensions

Length 88.6 cm (34.875 in.), Width 42.2 cm (16.625 in.), Height 51.3 cm (20.1875 in. )

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National Air and Space Museum Collection

Country of Origin

United States of America

Date

1939

Physical Description

  • Type: Reciprocating, Inverted, in-line, 4 cylinders, air cooled
  • Power rating: 48.5 kW (65 hp) at 3,500 rpm
  • Displacement: 1.9 L (116 cu in)
  • Bore and Stroke: 82.55 mm (3.250 in.) x 88.9 mm (3.500 in.)
  • Weight: 71.7 kg (158 lb)

Type

PROPULSION-Reciprocating & Rotary

Inventory Number

A19860023000