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I think that one is a little bit big. But I do think they should have something bigger than an Iris. :)

I think what you are describing should work and not pose any risk other then generally questionable reliability of anything coming from Hobby King. Some of it is good, some is bad. Sometimes BEC's fail wide open, which would send 42V through the PM port, and will blow it all up. You have that...

Generally right John, except for a few things. First, 3DR didn't really get the Pixhawk design for free. There might well have been some money flowing between 3DR and ETH. I don't honestly know. But I strongly suspect 3DR bore the cost of prototype production, which probably wasn't...

Hobby King has an HV PM, but I don't know if I'd trust it. I've already heard about one failure and I haven't even been looking. I just use a BEC and wire it in.

Actually, there are already changes afoot there. The filter will basically be turned off. Unfiltered data will be sent to the processor, which will be integrated into the EKF. But the data will be heavily filtered before being used in the rate controllers... we should probably get a room...

Yeah, I don't know. I definitely think the Pixhawk is worth $3-400, or even more. But it's strength is also it's weakness. Since it's open source, anybody can copy the hardware, and the software. So they have to remain competitive against Hobby King, RCTimer, and whoever else is selling the...

There's no formula, or even a solid theory about that that I have seen. Results from testing seem very inconsistent.

Yes, I think you're right. After 3DR got it's first round of VC and most of the developers quit, I decided to stay on because I did see the corollary to Linux. The problem as I see it, is there are way too many people using, benefiting, and profiting from the program, and almost nobody is...

You'll probably get more help for this question on "the other forum" as there are a lot more users there with that type of clone system.

To be clear, much of these issues are actually hardware problems, not software. I'm not sure what "not long ago" is in this environment, but AC2.9, which is what brought out inertial alt-hold and started the vibration problems, is about 2 years old. And it's not even correct that to say that...

Well, one downside would be no independent yaw control. That's the only one I can think of.

That is a valid point. But you can build a "dead cat" X8 and not have that problem. ;)