Boyd's Tin Can Stirling's

Hot Air Engine, Stirling Engine, External Combustion Engine, Stirling Plans, Hot Air Engine Plans,
     Stirling Walking Beam Engine, Sterling Engine (oops!)
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How Does It Work?
Here Are Two different ways to explain how it works.

1) Partially animated (you can stop it as you go)  CLICK HERE 

or

2 The old version (BELOW)

This is an attempt to explain how this Stirling "Walking Beam" engine works.
 


FIRE..........................................

The bottom on the large cylinder is heated, causing the air to expand.

As it does, the piston in the small cylinder is forced out or to the right.

This will cause the flywheel to turn in a counter clockwise direction.

As the flywheel turns it raises the "walking beam" on the right side, causing the left side to go down.

This action by the "walking beam" lowers the displacer into the large cylinder.



 
 


FIRE..........................................

As the displacer goes down, the air rushes by it to the top of the large cylinder.

This will cause the air to cool down, as the top is cooler than the bottom.



 
 


FIRE..........................................

As the air cools down it will contract.

This action will "suck" the piston into the small cylinder or to the left.

The piston will pull the flywheel around, and that will rock the "walking beam" in the opposite direction.



 
 


FIRE..........................................

This will lift the displacer and the air will rush by to the bottom of the cylinder.

The air will heat up again and start the process over again.


There you have it!!!

Be patient!     The image below is animated!!!!
 



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