matwelli
Member
Not controller specific (im using a CC but will also us a ardu) should work on any 6 channel controller where you have the freedom to assign mixes to each channel
So, 6 outputs and 8 motors in a V formation, sounds like a challenge
Intital testing has been done, its not 100% perfect, by a long shot, but is getting there.
At the moment it is set up with front and rear motors arranged as a quadX, with the centre motors on outputs 5 and 6, responding to throttle and roll only.
first issue was in Yaw, where by spining up one back and one front motor, ended in a roll, as the rear motor, being closer to the roll axis, had more leverage and would roll the frame while trying to yaw.
a quick change of yaw values to 80 for the front motors and 47 for the rear fixes that issue, but brings another.
as the front and rear motors are equal distance from the pitch axis, and i spin the fronts harder than the rears, to combat the roll issue, we now get a pitch issue during yaw (on a hard yaw, the pitch control is pegged all the way forward to compensate).
So next test will be to swap the motor controls around.
the front motors will be paired, and only respond to throttle and pitch, the rear motors the same
the middle motors will be set as a quad X, but have the pitch component removed
Front/Back = throttle/Pitch
Middle = throttle/Yaw/Roll
This should get rid of the issue (i hope)
Specs on the Frame
Empty 1940 grams
800mm wide front, 800mm long, 400mm wide rear
RCT 750 kv motors, 10 by 3.8 props (will be steping up to 10 by 4.5's and 4S)
Its super rigid, the centre is dual 150mm square by 2mm thick fglass components and the aluminium is 12.7mm box, 1.6mm thick
Next stage after she is tuned is to add the camera/battery cradle, a cantilever affair with camera out front and batteries out back to balance
All up weight will be between 3 and 3.5 kgs with about 10 kgs available thrust (on 4S)
Video is crappy, unedited and has 54 minutes left to upload, will post when it does
So, 6 outputs and 8 motors in a V formation, sounds like a challenge
Intital testing has been done, its not 100% perfect, by a long shot, but is getting there.
At the moment it is set up with front and rear motors arranged as a quadX, with the centre motors on outputs 5 and 6, responding to throttle and roll only.
first issue was in Yaw, where by spining up one back and one front motor, ended in a roll, as the rear motor, being closer to the roll axis, had more leverage and would roll the frame while trying to yaw.
a quick change of yaw values to 80 for the front motors and 47 for the rear fixes that issue, but brings another.
as the front and rear motors are equal distance from the pitch axis, and i spin the fronts harder than the rears, to combat the roll issue, we now get a pitch issue during yaw (on a hard yaw, the pitch control is pegged all the way forward to compensate).
So next test will be to swap the motor controls around.
the front motors will be paired, and only respond to throttle and pitch, the rear motors the same
the middle motors will be set as a quad X, but have the pitch component removed
Front/Back = throttle/Pitch
Middle = throttle/Yaw/Roll
This should get rid of the issue (i hope)
Specs on the Frame
Empty 1940 grams
800mm wide front, 800mm long, 400mm wide rear
RCT 750 kv motors, 10 by 3.8 props (will be steping up to 10 by 4.5's and 4S)
Its super rigid, the centre is dual 150mm square by 2mm thick fglass components and the aluminium is 12.7mm box, 1.6mm thick
Next stage after she is tuned is to add the camera/battery cradle, a cantilever affair with camera out front and batteries out back to balance
All up weight will be between 3 and 3.5 kgs with about 10 kgs available thrust (on 4S)
Video is crappy, unedited and has 54 minutes left to upload, will post when it does