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Thread: HKS engine conversion

  1. #31

    Default Re: HKS engine conversion

    rawheels

    i have exactly the same spec.

    my plane is a kitfox 2 and empty weight is
    595 lbs with my hks 700e and powerfine 2 blades prop

    i have 6000 on the ground and at 55 mhp i have 650fpm
    and cruise speed at 5400rpm is 65 mhp

    what the empty weight on your plane?

    Dave

  2. #32

    Default Re: HKS engine conversion

    Dave

    My Kitfox 3 weighs #525

  3. #33
    rawheels's Avatar
    Join Date
    Jul 2010
    Location
    Westfield, IN
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    67

    Default Re: HKS engine conversion

    Dave,

    The plane weighs around 615 lbs. I found that my biggest problem was the prop. I was trying to use a 3-blade warp drive, and after talking with them (and reading an old post from Mnflyer) I realized that it was just too much prop for the smaller ratio gearbox. I've since converted it to a 2-blade version with better success, but need to get back to the project and finish it up.

  4. #34
    Senior Member Geowitz's Avatar
    Join Date
    Mar 2010
    Location
    Middle North Carolina
    Posts
    456

    Default Re: HKS engine conversion

    Jerry at Greensky Adventures should be able to get these to you. He has a whole mount package, but he'll do separate parts too. Check here...

    http://greenskyadventures.com/Engine...PartsCart.html

  5. #35

    Join Date
    Apr 2013
    Location
    Hillsboro, NH
    Posts
    95

    Default Re: HKS engine conversion

    What reduction drive ratio do y'all have? My ROC's only about 550 FPM, but I have the 2.58 gearbox, not the 3.47.

  6. #36
    rawheels's Avatar
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    Jul 2010
    Location
    Westfield, IN
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    67

    Default Re: HKS engine conversion

    I have the smaller gearbox too. Performance has been lacking. Sure wish I had the larger gearbox so that I could use a longer prop.

  7. #37

    Join Date
    Apr 2013
    Location
    Hillsboro, NH
    Posts
    95

    Default Re: HKS engine conversion

    BTW rawheels, I'm running a lightweight 2 blade IVO in a model 2. And the 550 FPM isn't at gross but solo. Being in NH it's something that is much more of a constraint than in Indy (I lived in Anderson for 20 years so pretty familiar with central Indiana).

  8. #38

    Join Date
    Apr 2013
    Location
    Hillsboro, NH
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    95

    Default Re: HKS engine conversion

    One thing I can say for the HKS - very low fuel consumption.

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