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  1. #1

    researching the F-12 engine please read

    gentlemen,

    let me start off by saying I have and do own many hondas and I find them to be the best engines period. I have built a kit helicopter and looking at the
    F-12 for the poweplant.
    some things i am looking for are:
    90 to 120hp
    120 to 140 lbs
    must run constant @ 5500 to 6000rpm for 1 or 2 hours
    ccw rotating output shaft( as viewed from the rear)

    I need to know the rpm redline.
    best rpm range with the most available power.
    and anything else you guys think might be relevant

    thanks


  2. #2
    baba booey's Avatar
    Join Date
    Apr 2007
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    San Diego
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    526
    Quote Originally Posted by retpoc View Post
    gentlemen,

    let me start off by saying I have and do own many hondas and I find them to be the best engines period. I have built a kit helicopter and looking at the
    F-12 for the poweplant.
    some things i am looking for are:
    90 to 120hp
    120 to 140 lbs
    must run constant @ 5500 to 6000rpm for 1 or 2 hours
    ccw rotating output shaft( as viewed from the rear)

    I need to know the rpm redline.
    best rpm range with the most available power.
    and anything else you guys think might be relevant

    thanks
    Why not use a Honda motorcycle engine?

  3. #3
    the drive shaft is not in the right position.

  4. #4
    Addicted Member 5001craig's Avatar
    Join Date
    Jul 2007
    Location
    Northeast Indiana
    Posts
    2,924
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    Welcome to the forum and good luck with your project.

  5. #5
    supermac's Avatar
    Join Date
    Dec 2005
    Location
    Mooresville, NC
    Posts
    406
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    10
    Quote Originally Posted by retpoc View Post
    gentlemen,

    let me start off by saying I have and do own many hondas and I find them to be the best engines period. I have built a kit helicopter and looking at the
    F-12 for the poweplant.
    some things i am looking for are:
    90 to 120hp
    120 to 140 lbs
    must run constant @ 5500 to 6000rpm for 1 or 2 hours
    ccw rotating output shaft( as viewed from the rear)

    I need to know the rpm redline.
    best rpm range with the most available power.
    and anything else you guys think might be relevant

    thanks
    you need a turbo engine to get the torque you want at those rpms.

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