Dake Steam Engine in 3D by Ernie Daniel

Discussion in 'Plans' started by JorgensenSteam, Jan 17, 2012.

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  1. Jan 17, 2012 #1
    Here is a set of drawings with 3D renderings for the Dake steam engine, created by the masterful Ernie Daniel, who is a frequent HMEM reader.

    Ernie gave me permission to upload these files to the HMEM site.

    Thanks Ernie, beautiful 3D work.

    Edit: Please note that these drawings are untried and unproven, so do your homework and double check everything if you choose to use them. They are offered "as-is" with no guarantees whatsoever. Thanks.

    Dake-Ernie-Daniel-Page-01.jpg

    Dake-Ernie-Daniel-Page-02.jpg
     
  2. Jan 17, 2012 #2
    Page 3

    Dake-Ernie-Daniel-Page-03.jpg
     
  3. Jan 17, 2012 #3
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  9. Jan 17, 2012 #9
    And a partial assembly of the Dake engine.

    Dake-Assembly-11.jpg

    Dake-Assembly-13.jpg

    Dake-Assembly-01.jpg

    Dake-Valve-Body-03.jpg
     
  10. Jan 17, 2012 #10
    A few more assembly pictures.

    Dake-Center-Frame.jpg

    Dake-Part01-Front.jpg

    Dake-Rear-Passage-Cover-Front.jpg

    Dake-Rear-Passage-Cover-Rear.jpg
     
  11. Jan 18, 2012 #11

    pro-e-geek

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    Wow, those are some beautiful drawings/images.
    Outstanding job.

    John
     
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  12. Jan 18, 2012 #12
    I was so inspired by Ernie's work that I made the assemblies shown at the bottom of the posts.

    Ernie has the best renderings I have seen, and he does it all with Alibre.
     
  13. Feb 5, 2012 #13

    fakeshade

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    these all models are workin models right .. . . . . plz assist me with an ans i'll be greatfull. . . . ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ???
     
  14. Jan 16, 2013 #14

    barnesrickw

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    Here is one on display at the Muskegon Heritage Museum on display from the grandson of inventor and manufacturer of the Dake Engine. The wooden parts are some casting molds I repaired.




    image-2973688708.jpg


    Rick

    image-2545459064.jpg



    image-3623338829.jpg



    image-2219185086.jpg
     

    Attached Files:

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  15. Jul 5, 2018 #15

    Flopearedmule

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    Has anyone used these prints to make a model? This looks like a really cool and unique steam engine??
    Is there anymore prints out there to build this Dake engine?
     
  16. Jul 5, 2018 #16

    Anatol

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    For those who were initially mystified, like me (old hands probably know all about this eccentric engine) - this engine has square pistons without rods. The Dake engine was patented in 1888, and was based on an earlier, less successful version of the the same idea by Root (1863). Doug Self, as usual, has a great page on square piston engines: http://www.douglas-self.com/MUSEUM/POWER/squarepiston/square.htm

    There have have been a lot of unlikely design ideas in the history of stream, and square pistons is right up there with them. Many of these were unsucessful, the Dake engine was, however, successful (equally unlikely).

    What I find interesting is that the two nested square pistons operate in a way similar to (the idea of) nested scotch yokes - resolving rotational movement to linear movement mutually at 90 deg. Its fascinating how the basic topology of reciprocating pistons to rotary shaft is so ' turned inside out' in this engine.

    video of a working engine (by Allan Dake) at
    and a really nice description of a really nice model here

    anyone know this maker?
     
    Last edited: Jul 5, 2018
  17. Jul 6, 2018 #17

    Flopearedmule

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    Last edited: Jul 6, 2018
  18. Jul 6, 2018 #18

    Anatol

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    Thanks
    Hart is a pretty impressive machinist
    simple? its certainly got minimal moving parts and the valve/port system is diabolically clever
    As for making it - with good enough tolerances - I'll let the experts chime in, but I'm guessing there's a lot to making those square pistons (work).
     
  19. Jul 6, 2018 #19

    kadora

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    I am amazed with this engine.
     
  20. Jul 6, 2018 #20

    SBWHART

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    Ernie's drawings are very well detailed along the lines of an original:- for my model I very much simplified the design if any one would like a copy of my drawing just drop me a PM with your email address and I'll mail you them.

    Stew
     

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