| 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
- Dry weight: 90lb
Components
- Fuel system: Single carburetor
- Cooling system: Air-cooled
Performance
- Power output: 30hp @2650rpm
References
- ↑ "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.
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