Got sick of having to solder motors in the field after a wreck, so I’ve built another one with the spare frame I had.
Both are built on old iFlight Titan xl5 frames with whatever salvaged/donated/2nd hand FC and ESC I had to hand. They’re running 2207 (1950kV /1800kV) motors on 5128 props, and have HDZero freestyle V2 VTxs paired with Nano90 cams. (That sweet, sweet low latency 90Hz feed.)
The most effort of the whole build was cloning the frames in Fusion360 down to the tenth of a millimetre, which sounds daft, but it makes creating mounts and bumpers and absolute doddle. The VTxs are suspended in shock mounts at the back, the antennas are held in chunks of tough TPU and the cams are equally well protected.
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Love it! Those are nice solid frames, it looks great! Certainly won’t be hard to spot with all the yellow as well 
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You’ll be surprised just how fast they become invisible in foliage or rubble. They both have ViFly Finder Mini beepers tucked behind their cameras to handle that. 
Edit: And yes, with 6mm thick CF for the arms, these frames, while heavy, are bullshit grade. The first one has been slammed around an old brickworks and an old ceramics factory repeatedly. Gone through nearly a dozen motors, but the frame is going strong. Few nicks and scrapes, but it’s holding and still rigid. 
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Haha I’m no stranger to that, just the other week I had an unplanned landing in some long grass, about fifty yards from where was sitting. Quad went one way, battery went the other, so no beeper and no backup beeper.
Spent three quarters of an hour wandering about in the grass before I found the thing 
These ViFly Finder beepers have their own tiny LiPo that they charge off the quad. That way, they work even when you eject the LiPo or sever a cable
Handy little things, and they fit behind the camera in most 3.5" or larger builds.
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