Comment by Jianguo Zhao on January 4, 2010 at 10:16am

cool~！

Comment by Alex on January 4, 2010 at 10:50am

If minimizing weight is the primary goal, 3 rotor would be even better.

Moderator Comment by Giles Barton-Owen on January 4, 2010 at 10:53am

Surely it requires either a servo or some heading hold kit? Also on average dosent run one of thhe motors far hotter?

Comment by Martin Seven on January 4, 2010 at 11:08am

Alex, with three rotors you'd need to add a 1 DOF rotary joint with a servo... not sure if that would be lighter than just using 4 rotors on a flat board.

Moderator Comment by Varga András on January 4, 2010 at 11:08am

What I see the most amazing is how simple its production is. Just manufacture the PCB board and mount 4 motors. Thousands of these can be produced by a small company within a day.

Moderator Comment by Giles Barton-Owen on January 4, 2010 at 11:11am

I know, and a one piece system is so light and easy, no wiring problems.

Moderator Comment by Giles Barton-Owen on January 4, 2010 at 11:11am

Problem is it's so light that the control system will have to be knife edge otherwise it will flip...

Moderator Comment by Jack Crossfire on January 4, 2010 at 11:16am

Who started selling counter rotating 2" propellers? Those brushed motors wear out fast.

Comment by Xander on January 4, 2010 at 11:39am

Wow, that thing is beautiful

Comment by Matt on January 5, 2010 at 2:12am

That circuit board looks amazing! I like the way that there are minimal individual parts and assembly consists of inserting and soldering the motors. These could be made quite affordable. Another thing that I like is that the parts are such high quality, none of that cheap stuff. I can't wait to see a video.

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