I wanted to play around with an iNav quad but didn't feel like spending much money, so a combination of obsolete spare parts & the cheapest new parts from banggood resulted in this beauty. Special mentions go to the ESCs with their linear 5V BECs & the separate Sparkfun magnetometer because I didn't check realise the GPS I ordered didn't have one.
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Wondering if you're still flying this thing and if so, would you mind sharing your PIDs. I just put together a very similar platform to mess with inav and it has some terrible low frequency oscillations. Thinking I need to lower the "I" values quite a bit from the defaults.
I've not flown it since I first built it, it didn't fly particularly well on any of the iNav presets & I never got around to tuning manually. I'm planning to put Arducopter on it (which is supported on some miniquad style F4 FCs like the Matek F405-STD since Copter 3.6) to see if it flies better, especially after an AutoTune, or whether the frame is just too flexible :3
Looking great! Exactly what I'm planning to build. What kind of weight does it lift?
Awesome! That really makes me miss my F450. How well does it hold position?
so I have a f450 with an old DJA naza FC that i want to swap out for an f4 fc and run inav. I was wonndering how did you manage to mount the FC to the f450 plate. The existing slots dont seems to line up with a stanard 36x36 FC.
Hey, I like your test platform build! I'm looking to test a new Pixhawk too. You've inspired a very similar build, I found a necessary upgrade in reliability for Motors, ECS, and props for just about $45 for anyone else who's got a few more dollars to play with: http://store-en.tmotor.com/goods.php?id=726
Guides & Reviews
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How do you power up the FC if a DJI Flamewheel F450 is being used as the PDB?
I used a small 5V regulator (I added the link to the Misc Parts section).