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Spyder prototype #2, flight 2

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Uploaded by on Oct 26, 2008

Quadrotor prototype built using the Parallax Propeller chip and custom flight control software.

This flight included improved stability software.

Category:

Science & Technology

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Standard YouTube License

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Uploader Comments (JasonDorie)

  • Wow that's quite impressive. Did you have to program anything ? Did you guys make the parts out of scratch of bought a kit of some sort and did some modifications?

    Great project.

  • @Theanonraider - The whole thing is from scratch (aside from the motors and motor controllers, and the remote receiver). I programmed the control board to listen to the remote and the gyro, figure out how the orientation differs from what the user wants, and sends the correction controls to the motors. I have video of the newest version posted (see the "First Crash" video, and it's significantly more stable.

  • Try EPP1045 props instead of thoes 3-bladed ones. You'll get more efficieny out of it.

  • @bogomir67 - Those props were chosen because a) these motors spin too fast to use the 10" props, and b) these props are significantly lighter than the 1045's, so they accelerate and decelerate faster, allowing for more control. Two-bladed props also don't look quite as cool. :)

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All Comments (29)

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  • How much autonomyat a given weight?

    THX.

  • background looks like are 51 lol

    Nice build

  • @rodstartube - No, he probably means thermopiles, which many quads use to detect the horizon line. They work by using the temperature difference between the sky and ground. They're not reliable in situations where there isn't a good line to the horizon - nearby trees, buildings, etc.

  • @mdivinc thermal inteligence? lol, WTF, you refer to FMA's horizon's sensors?, those just suck, and in this case I think they must be using an IMU

  • no make a man size one lol

  • great now all u need is some glowing lights on its edges and fly that thing in the night sky. next morning your invention will go famous on the news. UFO hahaa

  • That's interesting! Aren't they the Hacker A20 ? What size are these props then? 8"?

    And they are still lighter than anEPP1045?

    I use EPP0845 with small motors (20/5), and the 10" variant on anything bigger, up to about 200g hover load per prop. The 12" are too soft, so around 12", the APC SF 12x6, or 12x3.8" are used. But it takes a 36mm dia motor (or bigger), due to the weight.

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