I don't know the best section to put this in, so....
This guy seems to be pretty smart, and he provides persuasive arguments for each point of design. The carbon-fiber 30-inch diameter propellers from hobby King are (according to him) the best bang for your buck in large propellers, A computerized performance study suggested 8 rotors in a single-layer was a sweet spot for cost/performance...
I've seen double-layer drones with two counter-rotating motors and props at the end of each boom This was done when the drone was size restricted, but...after you built it to the largest size, you still wanted more power, regardless of the efficiency hit.
It "looks like" the motors are this model (at 15:33)
https://hobbyking.com/en_us/9225-90...ushless-multi-rotor-motor.html?___store=en_us
https://www.youtube.com/watch?v=Y6dkRrnUGVo
[youtube]Y6dkRrnUGVo[/youtube]
This guy seems to be pretty smart, and he provides persuasive arguments for each point of design. The carbon-fiber 30-inch diameter propellers from hobby King are (according to him) the best bang for your buck in large propellers, A computerized performance study suggested 8 rotors in a single-layer was a sweet spot for cost/performance...
I've seen double-layer drones with two counter-rotating motors and props at the end of each boom This was done when the drone was size restricted, but...after you built it to the largest size, you still wanted more power, regardless of the efficiency hit.
It "looks like" the motors are this model (at 15:33)
https://hobbyking.com/en_us/9225-90...ushless-multi-rotor-motor.html?___store=en_us
https://www.youtube.com/watch?v=Y6dkRrnUGVo
[youtube]Y6dkRrnUGVo[/youtube]