i have built a quadcopter using ducted fan with 400g thrust each, my quadcopter only weight about 750g,but it doesnt even lift off at half throttle only at full throttle. anyone have any suggestions…Continue
"Hi Fun Wey,
All of the control boards have a diagram for prop rotation when looking down from the top, to achieve proper angle for the EDF's put an arrow on each boom showing the rotation for each motor then rotate the EDF in the same…"
Since you are not using counter-rotating EDFs (i.e. all the props rotate in the same direction), are all the EDFs oriented at the same angle (relative to the vertical axis of the quadrotor)? I observed that the EDFs pairs on your…"
"hey do you know whether number of blades on a ducted fans matters? for example two ducted fans of the same dimemsion and kv but one with 8 blades and other one with 6 blades, are there any differences? cus i orignally wanted to buy ducted fans with…"
"Since torque isn't used to control yaw the EDF's must be installed at an angle so thrust controls yaw.
The instructions (control board) show proper prop rotation, rotate the EDF angle. If the prop rotates clockwise rotate the EDF…"
"Ducted fan quadcopters do work, not knowing any details I can't provide advice. You probably need to increase the cell count on the batteries, mine acts like your description on 4 cells but flies very well on 6 cells. If the ESC's are not…"
"You will need to provide more data such as:
Ducted Fan brand/model # (diameter, motors, etc)
Control board (APM2.x, HK, etc)
Power Distribution Board
A photo or two would help..
"Those thrust numbers are undoubtedly assuming horizontal mounting and higher speed, therefore greater efficiency.
I'm not any kind of an expert on this, but there have been many discussions here and at rcgroups about using ducted fans in…"
i have built a quadcopter using ducted fan with 400g thrust each, my quadcopter only weight about 750g,but it doesnt even lift off at half throttle only at full throttle. anyone have any suggestions on wat wrong or how i can improved it? my battery is charged btw.See More