The purpose of this frame is to allow us to fly a cinema oriented camera in more of an FPV manner (close proximity, dives, high speed ...).
Everything is custom built: frame, crash cage, silicon mesh. The design was done by Octavia Richea.
Flight time is 6-7 minutes at normal pace and will go down to just a couple of minutes if pushed. The PDB cannot sustain the 6 motors being pushed to max for too long which is why we exercise caution when flying it in order not to fry the PDB. These motors can easily go to 45-50A in full throttle, we've tested them on the bench.
It has a video switcher which allows the pilot to see what any of the two cameras sees. The latency of the blackmagic composite video output is minimal which makes it flyable in FPV mode.
We have a second receiver onboard to allow the camera operator to adjust all camera settings while flying.
If you are interested in such project and wish to colaborate in any way please contact me on facebook: https://www.facebook.com/paul.mijoiu
Here you can see the type of projects we are involved with:
http://www.aerialmedia.pro
https://www.facebook.com/aerialmedia.ro/
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You know you are doing something right if you are concerned youll over amp a kamakazi matril insanity pdb...
and here is a 422 prores sample from the same flight test. keep in mind that this was with stock PIDs under very windy conditions. also note that although the lens is a 7.5mm the crop factor on the bm cameras is ~2.88 which makes it a ~22mm lens which is not very wide.
untill I can process some of the footage, if you are curios to see how live telemetry looks like on this setup here's a quick video from the very first flight with it:
Hey Paul,
In the description you mention you have a video switcher so you can switch between the BlackMagic and the RunCam.
I recently bought a BMPCC and was thinking about getting it on a large fpv drone too, what hardware are you using to switch video?
I bought it 4-5 years ago :) and can't find the exact product anymore but it is very similar to the one I've linked below, might be exactly this one without the nice paper wrapping: https://hobbyking.com/en_us/hobbyking-3-channel-fpv-video-switcher.html?___store=en_us
I've powered it from a 12V regulator, connected it via SBUS to my second receiver and connected the video composite to the video switcher. here is a pinout but you also have the pinout on the box it comes with. https://i.imgur.com/1Bhckiw.jpg
I've posted updates regarding this setup, including some video results, on this facebook group: https://www.facebook.com/groups/1551618814932503/?ref=br_rs
I will also upload the results on youtube or vimeo and link them here when I have a bit of spare time.
I suppose you're required to include flight footage from the BM camera when you post awesome builds like this.😆
Guides & Reviews
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Nice build. What UART on your F7 board did you wire the Crossfile receiver to? I can't get any response from mine, connected to UART 2.
Edit: I figured it out.... had TX/RX swapped. :)