The Long Harlequin is a two-cylinder horizontally opposed aircraft engine.
| Long Harlequin 933 | |
|---|---|
| Type | Horizontally Opposed Piston |
| National origin | United States |
| Designer | Leslie Long |
Design and development edit
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 edit
Engines on display edit
- 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) edit
General characteristics
- Dry weight: 90lb
Components
- Fuel system: Single carburetor
- Cooling system: Air-cooled
Performance
- Power output: 30hp @2650rpm
References edit
- ^ "The Plane That Helped Save Homebuilding". Air Progress. Winter 1969.
- ^ "Some remarkable experiments in lightplane performance". Popular Aviation. November 1935.
- ^ 1933 Flying Manual (Mechanix Illustrated).
{{cite journal}}: Missing or empty|title=(help) - ^ "Eagles Mere aircraft museum". Retrieved 7 October 2013.