Long Harlequin 933

Long Harlequin 933
Type Horizontally Opposed Piston
National origin United States
Manufacturer
Designed by Leslie Long
Unit cost Less than $100 in 1933

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 Engine with connecting rods from Continental built Star Marine engine. The builder was expected to forge their own crankcase and crankshaft.[1][2][3]

Applications

Engines on display

  • Eagles Mere Aircraft Museum [4]

Dart Airport Museum in Mayville NY

Specifications (Long Herlequin)

General characteristics

  • Dry weight: 90lb

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). Missing or empty |title= (help)
  4. ↑ "Eagles Mere aircraft museum". Retrieved 7 October 2013.
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