O.S. FF-320 (Pegasus) - 4-Stroke Four Cylinder 53cc Airplane Engine
Horizontally-opposed four-cylinder boxer four-stroke engine for large sized scale airplane models.
Specs:- Displacement: 53.04cc (4x13.26cc)
- Bore: 27.7mm
- Stroke: 22.0mm
- Practical RPM Range: 1.800-8.500
- Weight: 2.190g