Object Collection: Propulsion
- Adams-Farwell Rotary 5 Engine
- Allison 250-C28B Turboshaft Engine
- Allison T56-A-1 (501-D13) Turboprop Engine, Cutaway, Motorized
- 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
- CFM International CFM56-2 Turbofan Engine
- Clement V-2 Engine
- Continental C-125-2 Horizontally-opposed Engine
- Continental J69-T-25A Turbojet Engine
- Curtiss A-2 V-2 Engine
- Curtiss E-4, In-Line 4 Engine
- Curtiss OX-5 V-8 Engine
- Curtiss OX-5 V-8 Engine
- Daimler-Benz DB 605 Inverted V-12 Engine