Object Collection: Propulsion
- Adams-Farwell Rotary 5 Engine
- Allison 250-C28B Turboshaft Engine
- Allison T56-A-1 (501-D13) Turboprop Engine, Cutaway, Motorized
- Allison V-1710-33 (V-1710-C15), V-12 Engine
- Bates Model 2 B Horizontally-opposed Engine
- Benz BZ 4S In-line Engine
- Breaker points, magneto advance set, Lockheed Sirius "Tingmissartoq", Lindbergh
- Bristol Jupiter VIIIF Radial Engine