- Model Description Designed and authorized by Nico71, this model features a compact size and operates with two pumps, unmodified switches, and cylinders. The product is well-designed, sturdy, and aesthetically pleasing, while also offering a fun assembly experience. It is highly ornamental and valuable for collectors.
- Background:
The engine is powered by a single pneumatic cylinder, which acts on a crankshaft to power the flywheel with 5:1 gear ratio, and an other crank to operate the switch accordingly.
The flywheel helps to overcome the deadpoint of the switch, where no air goes in or out the switch, by bringing to the system inertia. The sliding connecting rod mechanism to operate the switch helps to reduce this moment to the minimum by having a large displacement of the rod comparing to the needed movement on the switch.
It results in a pneumatic engine which runs smoothly at max 100rpm with any unmodified switch or cylinder, in a lovely steampunk design, powered by 2 pumps as the air supply. Speaking of the air supply, this creation is available in three