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Thread: The "Orange Hawk" Tricopter/Flying-Wing VTOL

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    The "Orange Hawk" Tricopter/Flying-Wing VTOL

    About a year or two ago, Sentry sent me a PM on RcGroups asking if I would join the group here and add a few words on a project I had done and shown there. Well, its been a long time leading up to this; I'd like to show my VTOL design, which I've been working on over a year.

    The "Orange Hawk" VTOL Design
    Wing Span: 1000mm Area: 21.5+2.6 dm^2 (Elevons)
    Quarter-Chord Sweep: 30.0deg
    Airfoil: MH45 with Root: +2.0deg Tip: -0.5deg
    Material: 21.0kg/m^3 EPP
    Equiv. Rotor Diameter: 500mm
    Flight Controller Based on MultiWii 2.1
    All-Up Weight: 1.2 kg, Theoretical Maximum: 1.5 kg
    Designed Fall 2012


    It tilts the front two motors to differentially to control the reaction torque / yaw, and tilts both together for entering and exiting forward flight. The aircraft is designed to receive modules or mechanism attachments with a 25mm-pitch square grid of 3mm holes, allowing for future expansions, such as Taco-Dropping Mechanisms, LIDAR, etc. The picture below shows the vehicle with a potential computer vision target for truly autonomous missions, though I guess the folks here are more interested in FPV. The introduction video was done semi-FPV, with me mostly flying LOS and some glances at my display.



    Orange Hawk on vPad




    View this video on Vimeo


    I'll mirror the main venues where I've been rolling out the details:
    http://diydrones.com/profiles/blogs/...-wing-vtol-uav
    http://www.rcgroups.com/forums/showt...2#post24445982

    -Steve
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    Reserved post #2

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    Reserved post #3

  5. #5
    Assault the sky SecretSpy711's Avatar
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    Really cool concept. Definitely following this thread.

    What happens with the rear rotor when you transition to forward flight?
    youtube.com/SECRETSPY711
    Hey Colorado pilots! Add your stuff! --> Colorado FPV Pilot Map: https://mapsengine.google.com/map/edit?mid=zjYlxx5w300I.kmgDGKOhrMAo

  6. #6
    FPV - Fly Low airbagit13's Avatar
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    Now that right there, is ****ing cool!
    FPV is not a crime!

    http://www.executiveprinters.com
    http://www.printingplusfl.com

  7. #7
    Just dog tired. Wearyman's Avatar
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    Quote Originally Posted by SecretSpy711 View Post
    Really cool concept. Definitely following this thread.

    What happens with the rear rotor when you transition to forward flight?
    Based on the picture and the video it looks like it just cuts off the motor. Maybe puts it into freewheel? Dunno. Either way it doesn't seem to affect performance all that much as it seems to fly pretty darn good.

  8. #8
    Assault the sky SecretSpy711's Avatar
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    this would be fantastic for mountain flying here in CO where there is not a lot of room to takeoff and land.
    youtube.com/SECRETSPY711
    Hey Colorado pilots! Add your stuff! --> Colorado FPV Pilot Map: https://mapsengine.google.com/map/edit?mid=zjYlxx5w300I.kmgDGKOhrMAo

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  10. #10
    Instructor Pilot
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    yup very cool...

    great project.

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