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  • no one ? To test it on a quad ???

  • yep !!! and with no glue !!! if someone have a quad and want to try, i'm curious to see how it works on a quad.

  • But i totally agree with Marcelo.

  • the video is ready ! i will post it tomorrow just to demonstrate that it works. i fly 10 mn with no probs.

  • Marcelo, yes I think that's a correct analysis of comments.  But I don't worry so much about my eyes, since I usually wear goggles, when flying close quarters.  However, I worry more about the precious eyes of bystanders. 

    Robert, not according to people and Dave who's tried this.  In fact they claim that the turbulence from the opposing blade is reduced, since it's not there, and this results in more efficient flight.

  • I will make a video for you guys ;) when the props are together they are like one. and the counter-balance work.

    my method is when you don't have solution and you really want to fly. it's not perfect but it really works on my HEX6.

  • Ellison, that's awesome!  I'll have to look into it more.  I would have thought you'd have a problem with the center of lift wobbling around causing extreme vibration.

  • One bladed has been successfully demonstrated, by Dave Herbert (Nightflyyer)  You need to counter-balance it.  It's much different and safer than the recycling method, used by Patrice. 

  • I see a science fair project here...

    Really. To prove the obvious all it would take is a platform with a 3 axis piezo sensor mounted with a motor / ESC and servo tester (power supply/battery is assumed).

    • Run a 'stock' prop, not balanced.
    • Run a balanced prop.
    • Run the 'school yard special' as seen above.
    • Publish the graphs.

    All props should be from the same manufacturer and the same pitch.

    Ready,set, experiment!

    My high school woodshop instructor was a member of a control line racing team. He made their props, wings, and upper body shells. The lower body was a cast aluminum pan. Rat Racing pushed the boundaries of materials and techniques.

    There have been successful single bladed props though they were always balanced in all planes. This could be balanced in the plane of the diameter but certainly not in the plane of the motor shaft.

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