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This is a simple coke can Stirling engine you can make in under an hour. No epoxy or RTV needed, just super-glue. It's all supported by steel wire, wi...
Open the top of the can with a can opener.
Bend a paper clip into this rough shape, this is so that you can tie the wire onto the displacer later on
Roll the steel wire wool around a bic pen, when it's a little bigger then the can opening, stop rolling the wool and cut it to size. Cut it down to ab...
Draw two circles on the cardboard about the same diameter as the opening in the top of the can. Don't pierce through the cardboard with the point of t...
Use a sewing needle to pierce a hole through the centre of the cardboard discs and thread the fishing line through that hole. Stretch the balloon ove...
Cut two pieces of steel wire about a metre long. Mark the approximate length of the bearing supports by making a bend around 15cm from one end. Bend ...
Bend the two 15cm pieces upwards, these will form the bearings for the cranks. The rest of the wire is bent downwards and formed into a big circle to ...
Measure from the top of the can and cut the two bearing wires down to about 15cm. Crimp on two spade connectors for the bearing points
Cut a piece of the steel wire about a metre long. Bend the displacer crank, this part should be bent out around 25mm. About 5mm along from this, and r...
Make the displacer connecting rod as above. To get the right size, thread the cranks through the bearing holes, and line it up as you make it.
The diaphragm connecting rods are made in the same way. Start by forming a half-circle curve on the wire the same as the cardboard disc. You need two ...
Fit all of the connecting rods on the crankshaft. Glue the ends of the diaphragm connecting rods to the cardboard discs using super glue. Keep an eye...
Tie the fishing line onto the displacer connecting rod. Make sure the displacer is moved all the way up and down by the cranks without getting stuck. ...
Secure the end of the flywheel using a spring clip. This also counter balances the displacer. It's really important that you counterbalance the displa...
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