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3D Printed Stirling Engine Type Alpha

by petrzmax, published

3D Printed Stirling Engine Type Alpha by petrzmax Feb 3, 2018

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18326Views 1183Downloads Found in Physics & Astronomy

Summary

My version of 3D printable Stirling engine. You can see a bit of the process of assembly and operation of the engine here: https://www.youtube.com/watch?v=kttaajHHPeY

Tips:

  • Make sure that Your printer is calibrated well before printing.
  • Do not fix syringes too tight because glass will bend a little and it will create a lot of friction inside.
  • Pistons must be polished with fine sandpaper to move freely inside cylinders, but without losing too much pressure.
  • Angle between the cranks must be 90 degrees.

Part list:

  • 12 x M8 Nut
  • 12 x M3x10 Screw
  • 18 x M3 Nut
  • 2 x M3 self-locking nut
  • 8 x M3x14 Screw
  • 4 x M3 Washer
  • 6 x M4 Washer
  • 4 x M4 Nut
  • 1 x M4 at least 44mm long screw with countersunk head. You need to cut it to right lenght.
  • 2 x 604ZZ bearing: http://bit.ly/2FGbjqx
  • 4 x 683ZZ bearing: http://bit.ly/2DZsZAQ
  • 2 x 10 ml glass syringe: http://bit.ly/2p2ebJl
  • Heat resistant tubing to connect the syringes.
  • Heat insulating material.
  • Thin copper wire.
    (These are affiliate links.)

Print Settings

Printer:

ANET A6

Supports:

Yes

Resolution:

0.2 mm

Infill:

30% or more


Notes:

I have printed it with PLA but the base was not stiff enough. STL files have been fixed a bit to help with that, but printing the base with ABS may be a good idea.

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wow it's incredible!

as cool as this is... what can i make it do? anyone got a cool idea for this to power something else?
this is not to be condescending in any way, i really do think this is cool, i just wanna see it taken a step further.

Sweet man, very nice

What is the "stuff" in the ends of the syringes?

That's a thin copper wire.

Thanks for that, but what is it for?

The air is heating up and cooling down faster when it's going through fine copper mesh.

Thanks. Got it now! Kindest Regards, Danny.

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