Engine Collection of Paul and Paula Knapp Archives - The Miniature Engineering Craftsmanship Museum

Cirrus 4-Cylinder Inline Aero Engine

Cirrus 4-Cylinder Inline Aero Engine

Conley Small-Block V8 Engine

Conley Small-Block V8 Engine

Bentley BR2 Rotary Aero Engine

Bentley BR2 Rotary Aero Engine

Edwards 5-Cylinder Radial

Edwards 5-Cylinder Radial