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Thread: New Carbon Cub FX-3

  1. #11
    Senior Member chipallen's Avatar
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    Jan 2010
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    Marietta, GA
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    625

    Default Re: New Carbon Cub FX-3

    Chris is a smart man!!!
    Chip Allen
    SWT Aviation, Inc.
    Cubcrafters Southeast Sales Center
    Marietta, GA
    www.swtaviation.com

  2. #12
    Senior Member TroyBranch's Avatar
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    May 2015
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    Default Re: New Carbon Cub FX-3

    More heat is a really good thing. The naca duct on the bottom is a really smart way to increase airflow through the system which is the main issue. The original scoop doesn't really work well. Looking forward to hearing more of the great design changes.

  3. #13
    Senior Member
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    Aug 2015
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    Yakima, WA
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    Default Re: New Carbon Cub FX-3

    Quote Originally Posted by Dan L View Post
    I like it. The original system was lacking in this area. Im impressed too that the engineers were able to get two big heat muffs tucked into, what appears to be, a more streamlined cowl.
    Quote Originally Posted by TroyBranch View Post
    More heat is a really good thing. The naca duct on the bottom is a really smart way to increase airflow through the system which is the main issue. The original scoop doesn't really work well. Looking forward to hearing more of the great design changes.
    Thanks gents. Aerodynamic studies were performed with computer simulations which we then validated with flight testing. The data was very telling and led us to this new inlet duct concept and development. The packaging of 2 heat exchangers was indeed a design feat and the end product is clean and simple, with nice short scat runs.

    Last edited by Pat Horgan; 12-08-2017 at 02:32 AM.
    Patrick Horgan Vice President
    Operations & Product Development
    CubCrafters | Yakima WA

  4. #14
    Junior Member
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    Feb 2017
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    Seattle, WA
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    Default Re: New Carbon Cub FX-3

    Was the crankcase breather tube dumping into the middle of the 4 into 1 exhaust fitting new for the FX3?

    Your pic is easier to see, here's what mine looks like with everything else in place.
    Attached Images Attached Images
    Last edited by Jim G; 12-08-2017 at 01:48 PM. Reason: Fix picture
    JimG

    FX3 - N18JG

  5. #15
    Senior Member
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    Aug 2015
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    Default Re: New Carbon Cub FX-3

    Quote Originally Posted by Jim G View Post
    Was the crankcase breather tube dumping into the middle of the 4 into 1 exhaust fitting new for the FX3? Your pic is easier to see, here's what mine looks like with everything else in place. (Rotate pic...)
    Yes, with FX-3 using the new, more powerful CC363i engine it does have an updated exhaust system. The tubes are the same as used on Xcub. This breather tube exit feature has been included on the Carbon Cub SS model for some time.
    Last edited by Pat Horgan; 12-08-2017 at 06:16 PM.
    Patrick Horgan Vice President
    Operations & Product Development
    CubCrafters | Yakima WA

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