Apr 14 2010

DIY STIRLING ENGINE Update Air Compressor to Solar Stirling Engine

This is an update on the progress of the Stirling Engine created from a standard air compressor. This hot air engine should finally get some power. The piston rings were removed as the machining of the pistons was very good. There is still good compression. The ring removal decreases friction dramatically and will allow for a good cycle. The Displacer is a Bikini Spray can that I got to fit perfectly. At the end is the ghost of Robert Stirling. Just kidding, think I have been working too hard.

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25 Comments

  • By pubtor, January 30, 2010 @ 7:31 am

    lol

  • By pohldriver, January 30, 2010 @ 7:40 am

    you know dan there is something inherintly dirty about that noxzema can. lol

  • By ZerqTM, January 30, 2010 @ 8:07 am

    i’ve been thinking… it would be soo cool if someone coulb build a micro stirling engine in a penant…

    so it runs of the body heat…
    and just spins and spins all by itself..

    that would be like the coolest jewlery ever!

  • By Shaunt1, January 30, 2010 @ 8:25 am

    That engine looks cool!

  • By norxcontacts, January 30, 2010 @ 10:05 am

    This is like the matrix.

  • By Naturepheonix, January 30, 2010 @ 11:16 am

    NICE!
    You are one lucky man.

  • By GetMeThere1, January 30, 2010 @ 1:03 pm

    at the opening shot, I thought you were working on a way to breed baby compressors… :)

  • By insAneTunA, January 30, 2010 @ 2:09 pm

    Very nice, This setup is able to produce some real energy, although it will not be a lot for the moment, but at least it should give you a nice benchmark.

    Great job Dan 5*

  • By Frosttty, January 30, 2010 @ 3:30 pm

    Dan, your imagination is getting the best of you on the whole “ghost” thing. Lol!

    ~Chris H.~

  • By mrgoodvibrations, January 30, 2010 @ 3:57 pm

    How about teflon rings they use them on air compressors? Maybe better seal with built in lube.

  • By keneyed209, January 30, 2010 @ 4:07 pm

    have you thought about spring loaded waits on the flywheel

  • By mog5858, January 30, 2010 @ 4:17 pm

    done i have sean them run from the heat from you hand. there are evin tie clip motors

  • By CmdrTobs, January 30, 2010 @ 6:16 pm

    Yes, I have been waiting for an update. I am and others are extremely interested in this off the shelf Alpha sterling engine. I look forward to future updates.

  • By jeffery19677, January 30, 2010 @ 10:13 pm

    Keep working on this! THE SUSPENSE IS KILLING ME!

  • By datingwomensex, February 1, 2010 @ 7:20 am

    GREENPOWERSCIENCE, Keep up the video uploads.

  • By SpencahD, February 1, 2010 @ 5:57 pm

    Dan you get more fruity in each vid! Love it though, Finish this already, we all want to see it!

    Good work man, keep it up!

    (Really, a ghost? Now that was weirder than Denise in the shower!)

  • By wellwisher106, February 1, 2010 @ 7:54 pm

    Thats CoooOOOool

  • By rptopf, February 3, 2010 @ 10:31 pm

    Have you ever made one of these before? Probably not. I would be astonished if this worked.

  • By rptopf, February 4, 2010 @ 3:04 pm

    Okay, so you have made a video before with a sirling. The earlier engine has water cooling and welded construction. this video has a plywood flywheel and an areosol can displacer. That tells me you really don’t have the knolwedge or the tools to make this compressor engine work. Do you even know what configuation typel it is? What will you delta T be? What about thermal conduction through the block? There are good reasons why others have been unsucessful using off the shelf compressors.

  • By GREENPOWERSCIENCE, February 7, 2010 @ 10:13 pm

    @muddymuddymuddmann Silicone gasket,, the red stuff:-). I need a machinist, this is tricky to seal, close with the prototype resin blocks. Displacer cover is very nice fit 1/8″ tolerance or less.

    Dan

  • By muddymuddymuddmann, February 7, 2010 @ 10:52 pm

    Nice trick for going from alfa to gamma. I worry about the internal frictions in the crank.
    Try an aluminum bolt and the rtv or epoxy.
    MUDDy

  • By TK42138, February 11, 2010 @ 10:53 am

    @GREENPOWERSCIENCE
    What about using rare earth magnet covered in ferro-fluid seal made from laser printer toner and a little oil. I’ve seen it used in acoustic type Sterling and it looked gastight yet low friction. Just wondering if it could be scaled up to your Sterling? The rare earth magnets would have to be cast in resin to make a double lipped disc where the ferro-fluid could sit between and seal the cyinder/piston.

  • By TheBattleWagon, February 13, 2010 @ 12:24 am

    So from this point push the piston all the way down in to the block,and add another can to it a big ,coffie can, or tin and fit it inside a peice of stove pipe. seal the stove pipe,at the bottom, with rope to fit the can,the rope from a wood stove door.
    now! heat the black steel stove pipe,and seal the whole thing with JB weld! it won’t burn! That is a simple fix,and cheap, it should make your stirling run too! I promise! Tey are all about Volume of air!

  • By TheBattleWagon, February 13, 2010 @ 12:24 am

    Yu can put a second tin around the bottom of the stove pipe and jb weld it in place,fill it with water, then that’s about perfect.

  • By glotoniok, April 12, 2010 @ 1:45 pm

    thanks,dan rojas
    keep it up
    your practical idea inspire a lot technical people.
    im sorry,im not fluent in english

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