Howell V4 from Italy

Discussion in 'A Work In Progress' started by Foketry, Mar 17, 2019.

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  1. Mar 17, 2019 #1

    Foketry

    Foketry

    Foketry

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    Hi everyone
    About 2 years ago , before my retirement, i bought plans for construction V4 from Jerry Howell.
    I started work the engine block but i suspended it to dedicate myself to the Holt 75 project because i had fallen in love with the characteristic roar of this engine .
    Now i resumed Howell V4 which I consider a more challenging project, certainly more complicated.

    IMG_8931.JPG

    Howell V4.png
     

    Attached Files:

    bobden72 likes this.
  2. Mar 17, 2019 #2

    Foketry

    Foketry

    Foketry

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  3. Mar 17, 2019 #3

    e.picler

    e.picler

    e.picler

    Edi from brazil

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    Hi Foketry!
    Another great project. I will be following your construction with great interest. I also have the plans for this engine.

    Good luck.

    Edi
     
  4. Mar 18, 2019 #4

    G54AUST

    G54AUST

    G54AUST

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    Hey Foketry.

    Just found your V4 build thread and shall be following very closely.

    I've given my kids a wishlist for my birthday with the V4 and the V2 drawings on top of the list.

    In the mean time I have ordered and printed the Farm Boy drawings and shall start on these.

    Plenty of pix of your build please.


    Kind Regards,


    Trevor,
    Melbourne,
    Great Southern Land.
     
  5. Mar 18, 2019 #5

    Foketry

    Foketry

    Foketry

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    Hi G54
    I've already built Farm Boy, it was my first engine, it's a nice project and it works very well. If you need any information, please feel free to ask.

    happy Birthday
     
  6. Mar 23, 2019 #6

    Foketry

    Foketry

    Foketry

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    Milling of gear teeth through the 4th axis , intermediate gear 48 pitch, 78 tooth - 26 tooth
    In Italy pitch 48 is not widespread, i had to buy cutters in England or change the project, I preferred buy the new cutters



    IMG_6790.JPG IMG_6819.JPG IMG_6821.JPG

    638 Loctite assembly


    IMG_6823.JPG IMG_6980.JPG
     
  7. Mar 31, 2019 #7

    Foketry

    Foketry

    Foketry

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    IMG_6859.JPG IMG_6864.JPG IMG_6866.JPG
     
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  8. Mar 31, 2019 #8

    Foketry

    Foketry

    Foketry

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    After processing the engine block, where it was difficult to make water outlet passages and close them with the caps without water leakage, i started working heads


    The finished heads

    IMG_6981.JPG
     
    Last edited: Apr 8, 2019
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  9. Apr 8, 2019 #9

    Foketry

    Foketry

    Foketry

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    The rods , fork end rods and knife end rods


    IMG_6812.JPG IMG_6814.JPG


    2 fork end rods + 2 knife end rods
    IMG_6816.JPG
     
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  10. Apr 12, 2019 #10

    Foketry

    Foketry

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    The oil pump , body and cover
     
  11. Apr 12, 2019 #11

    Foketry

    Foketry

    Foketry

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  12. Apr 12, 2019 #12

    Foketry

    Foketry

    Foketry

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    The finished oil pump

    IMG_6974.JPG
     
  13. May 1, 2019 #13

    Foketry

    Foketry

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  14. May 1, 2019 #14

    Foketry

    Foketry

    Foketry

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    IMG_6979.JPG
     
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  15. May 4, 2019 #15

    Foketry

    Foketry

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  16. May 4, 2019 #16

    Foketry

    Foketry

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    The double cam , 2 + 2 pieces with self-made CNC milling machine (Rong Fu 45 )
    After milling, hardened with water

    IMG_7555.JPG
     
  17. May 5, 2019 #17

    petertha

    petertha

    petertha

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    Coming along nice. Is this a dedicated holding fixture for the piston? I don't quite get the set screw & don't see a split line.

    I traded my RF-45 in for a mini Bridgeport clone. I'd like to see your RF-45 CNC conversion one day just for old times sake :)
     

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  18. May 5, 2019 #18

    Foketry

    Foketry

    Foketry

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    It is a very simple fixture dedicated to the Howell V4 pistons, there is a screw that locks it.
    The phasing is done through a long pin aligned with the X axis of the machine, I use a dial indicator to align the long pin
     
  19. May 5, 2019 #19

    Foketry

    Foketry

    Foketry

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    Some photos of my milling machine RF45 :

    4 Geckodrive to drive CC motor whit encoder

    IMG_9146.JPG IMG_9147.JPG
     
  20. May 5, 2019 #20

    Foketry

    Foketry

    Foketry

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    IMG_9149.JPG IMG_9150.JPG


    Usually I use the supplementary motor for aluminum processing, 3000-6000 rpm, 2.2Kw, only for heavy machining I use the on top original motor
     

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