Tuesday, 22 November 2011

Simple compressor

This is a simple compressor that can be remotely controlled by the Lego Technic infrared system. Its powered by 3 medium sized motors, two drive the switches and the other drives the pneumatic pump. Because the pump cam profile is small it only generates small controllable movement in large pistons. This makes it very easy to control crane attachments, etc. However the smaller cam reduces the amount of overall pressure which makes lifting heavily objects difficult.
The switches control the direction of the air pressure and can power two pneumatic cylinders independently.      
This compressor was originally built to fit within my cat crawler loader hence its compact size I also used it in my Unimog

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