I have been using a standard Goodluckbuy GoPro gimbal on my multi-rotors for a while now and I wanted to upscale it slightly to allow me to use my Cannon Powershot cameras to see if the video was any good and to also take some good stills.
[Spoiler Alert] My ELPH 300s is useless for video :(, the optics are fantastic with a really wide angle but none of the distortion you get from a GoPro but the framerate is 24fps for 1080 and not much better for 720. It takes fantastic stills though!!
So anyway, I was let lose with solidworks for a while and came up with this:
The motors are 2804-210Kv Brushless Gimbal Motors from Hobbyking, the rest is 10mm aluminium box, 2mm glass fibre plate and m3 hex nuts/bolts.
So I fired up my CNC router and threw a sheet of 2mm glass fibre plate.
And the finished result attached to my FPV quad (article to follow):
It works really well for both the Cannon and GoPro but a little more tuning is needed.
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It really does need the second bearing joint when it's carrying the Cannon but would be fine for the GoPro
I'm no good at welding/brazing but it would make sense.
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There's no dampening at all on this copter. The roll motor s mounted on an aluminium L bracket (actually a cut down piece of landing gear from a fixed wing bent 90 degrees). I had intended to make a U shaped bracket and bolt it to the top and bottom plates of the frame but it broke :)
There is quite a it of flex in it, especially now a heavier gimbal is on it and (touch wood) I haven't had any rolling shutter issues @60fps with the GoPro or 30fps with the cannon.
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