Air Engine 2 Cylinder Crankshaft is Valves

Low Hardware Air Engine - Two Cylinder Version

A compact, easy-to-print air engine that requires minimal hardware. This two-cylinder design offers improved performance over single-cylinder versions while maintaining simplicity and ease of assembly.

Features:

• Two-cylinder design for enhanced performance
• Minimal hardware requirements
• Easy to print and assemble
• Smooth operation with compressed air

• Compact and efficient design

   

Printing Specifications:

• Printer: Tested on Bambu Lab A1 mini
• Layer Height: Recommended 0.16mm for crankshaft (or smaller if your printer supports it)
• Supports: Required
• Infill: Standard settings work well

• Material: PLA or PETG recommended

   

Assembly:

Assembly is straightforward and only requires glue to attach the piston rod fasteners. All other components snap or press fit together without additional hardware.

Video Demonstration:

Watch the build and operation video: https://youtu.be/pP2DdkCq-YA

Notes:

This design was independently developed based on the low hardware engine concept. The two-cylinder configuration provides better performance characteristics compared to single-cylinder versions.

Questions or Issues?

Feel free to leave any questions in the comments section, and I'll be happy to help!