Long Harlequin 933
Type Horizontally Opposed Piston
National origin United States
Designer Leslie Long

The Long Harlequin is a two-cylinder horizontally opposed aircraft engine.

Design and development

The Harlequin engine was developed as a replacement to the Heath-Henderson B-4 engine used on the Long Henderson Longster homebuilt aircraft. The cylinders were based on a 74 cubic inch Harley Davidson JD Engine with connecting rods from Continental built Star auto engine. The builder was expected to machine their own crankshaft, Les Long cast and sold crankcases[1][2][3]

Applications

Engines on display

  • Eagles Mere Aircraft Museum [4]

Dart Airport Museum in Mayville NY

Oregon Aviation Historical Society Cottage Grove Oregon

Two other examples known in private collections

Specifications (Long Herlequin)

General characteristics

Components

  • Fuel system: Single carburetor
  • Cooling system: Air-cooled

Performance

  • Power output: 30hp @2650rpm

References

  1. "The Plane That Helped Save Homebuilding". Air Progress. Winter 1969.
  2. "Some remarkable experiments in lightplane performance". Popular Aviation. November 1935.
  3. 1933 Flying Manual (Mechanix Illustrated). {{cite journal}}: Missing or empty |title= (help)
  4. "Eagles Mere aircraft museum". Retrieved 7 October 2013.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.