3d fixed pitch

I know about the Stingray. I have seen a few fixed pitched 3d quads. Less moving parts the better. The Stingray is pretty cool though. I have seen a quads that can fly upside down by reversing the motor. ESC get flashed with SimonK firmware. I just need to know what blades to use since I want to build my own.
 
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Hi mate they do one using blade that has 2 lift surfaces and as you go inverted the motors reverse there spin
 
Would you be safer to just put motors on the reverse side? I say this to avoid having to chance the direction of the motor mid flight and create a load of stress. I think this could be easily done with arducopter or mutiwii.
I know about the Stingray. I have seen a few fixed pitched 3d quads. Less moving parts the better. The Stingray is pretty cool though. I have seen a quads that can fly upside down by reversing the motor. ESC get flashed with SimonK firmware. I just need to know what blades to use since I want to build my own.
If you can reverse the motors mid flight what would stop you from using reversible props?

Video on modifying props.
Pre-made bi-directional props
 
I think your right its like the stingray , but i think it still need a little pitch to get lift even heli blades have a curve to get lift like an aero wing
 
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