4 cylinder ohv engine plans

Discussion in 'Plans' started by gbritnell, Feb 6, 2009.

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  1. Jul 17, 2009 #21

    gbritnell

    gbritnell

    gbritnell

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    I have found 2 omissions on the plans for my 4 cylinder OHV engine. I am posting a picture of the additions for those who bought a set of drawings. I appologize for any inconvenience this might have caused. I don't have everyones mailing address that purchased these plans so if you contact me I will be more than happy to mail you out the new sheet.
    Thanks,
    gbritnell
    [​IMG]

     
  2. Jul 17, 2009 #22

    stevehuckss396

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    Got it G! Thanks for the update!!
     
  3. Jul 17, 2009 #23

    gbritnell

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    Steve, I have your address so I will be sending you out a sheet with the new dimensions on it.
    gbritnell
     
  4. Jul 17, 2009 #24

    stevehuckss396

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    Good deal! Thanks
     
  5. Jul 19, 2009 #25

    gbritnell

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    I got the copies printed up today so they'll go out in Monday's mail. I have 6 names and addresses so if anyone else reads this forum and bought a set of drawings at NAMES just let me know and I'll send you the drawings with the additions.
    gbritnell
     
  6. Feb 9, 2019 #26

    DickG

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    If they are spaced at 90 degrees it's called a 'crossplane' crankshaft. Yamaha use this configuration for their MotoGP 4-cylinder, 4-stroke, across the frame, engines. The sound is pleasant compared to the awful sound of a Harley. Best sounding engine of all times is the 1.5 litre supercharged, V16 BRM, closely followed by the V12 Rolls Royce Merlin.
    DickG
     
  7. Feb 10, 2019 #27

    Charles Lamont

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    A Deltic sounds pretty good too:



    And the Cosworth DFV.
     
  8. Feb 13, 2019 #28

    johwen

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    The reason is simple, it is to balance the rotating motion two pistons going up balanced by two going down
     
  9. Feb 14, 2019 #29

    LSAGuy

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    Yamaha builds one. Here's a video;



    Do yourself a favor and turn off the crappy music for the first minute and a half or so.
     
  10. Feb 15, 2019 #30

    oliomio

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    Interesting video, and thanks for the noise warning. Unfortunately I was a bit slow turning it off. Horrible!
     
  11. Feb 16, 2019 #31

    myerscw2

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    Are these engine plans still available for purchase?
     
  12. Feb 17, 2019 #32

    gbritnell

    gbritnell

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    Hi Meyers,
    Yes the plans are still available. Send me a personal email.
    gbritnell
     
  13. Feb 17, 2019 #33

    myerscw2

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    Ok. I just upgraded my membership today. Not sure how to send you a personal email....
     
  14. Mar 19, 2019 #34

    splodge

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    I'm interested in a set of plans, but live in the uk. Do you have them in pdf format to save on the postage etc ?
     

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