Chicago Pneumatic

See it Run (Flash 1MB)

Manufactured by Chicago Pneumatic Tool Company
Year 1914
Model Chicago Pneumatic

Engine:
1 Cylinder Two cycle semi diesel Oil Engine
70 horsepower at 150 RPM
11" bore, 12" stroke
Piston displacement of 3396 cu. in
Flywheel 5' 2"
Direct injection hotbulb ignition

This engine has two inline cylinders the front cylinder is for power and the back cylinder is used to compress air.

History:
The Chicago Pneumatic Tool Company was founded in 1901 and started manufacturing this type of engine in 1912. The engines were produce in a variety of sizes and combinations until production ended in 1925. The engine on display was used to supply compressed air for a mining operation in Quartzsite Arizona. It was donated to the museum in 1983 and restored to operating condition by volunteers

Smoke rings from the exhaust of the Chicago Pneumatic

This is a larger version of the Chicago Pneumatic located in Arizona at the Vulture gold mine. The engine has not been run sense the mine closing back in 1942.