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No.

I don't know what your setup was. But I can tell you when I build a system, it will survive it just fine. And on my quad, 20g is about 15 seconds of flight time. Should be about 2 seconds on a 20lb Octocopter.

No. If one cell goes open, the entire pack becomes invisible to the rest of the power system, and nothing happens except now you're flying on a single battery. And if you've designed everything right, you'll still be able to land safely. If your craft design is marginal, such as flying at 80%...

Why on earth would anybody engineer a system based on the maximum amperage rating of a motor? For example, I'm currently using KDE 2814XF 515 motors on my quad. Rated at 24A each. That's 96A. I'm using a 8000 mAH battery rated at 10C. 80A continuous. Ooops, the battery can't deal with...

This is really getting ridiculous. http://www.dronecon.org/robert-lefebvre-introduction-to-rotorcraft-dynamics/

Cool. So how does that charger do continuous amperage? 141A is a lot to pass.

Dazzab, if you've never heard of me before, you aren't really that involved in Arducopter.

So what's that mean exactly? :apathy:

Even this isn't so easy. At our wedding, we used a guy who ran a very small shop from a rural area, for all I know he had a "day job" working in a factory. He was very affordable. I was worried we'd get some podunk results, but he did a great job. My brother, used a high-priced professional...

Yep. The guy I was talking with last week with the Skyranger, is one of the biggest players in Canada. He comes from a film background which is why he got into this industry. Doing aerial filming by drone. But he's abandoned this market and moved on to much more complex problems. He...

Have you guys never tried using a basic ESC, like a Hobbywing, just using default firmware, no SimonK?

It's funny... months ago I was smug about the fact we have laws to allow commercial use in Canada. Then I actually tried to work within the system, found out I'm a bit of a square peg in a round hole. Now I kind of wish I was in the US, with a paper tiger FAA.

Ok Darrell, those are pretty presumptuous statements. I don't think you know that much about me. I'll just leave it at that. So where are the logs from that video? Could very well have been that you ran it out of power for all I know. But the logs will show it. Either it's a bug, and we...

Where's the logs for that? Let's see what happened. From my past experience with you, a large part of the problem you had with Pixhawk, is that you couldn't set it up, and your copter wasn't well engineered. The conversation that occurred, which you have mentioned several times, went almost...

And which props, 15"?

Again, that is not the situation here. These were not small movements. Also, no datalogging system will record what the signal getting into the ESC is. The only thing the flight controller sees is the signal coming in from the Rx, and the signal it is sending out to the ESC. The ESC signals...

Thanks Chuck, I agree. To put it bluntly, not a single one of the issues or problems that dazzab has presented are without solution. I guess that's the take-away from this. The only thing Arducopter doesn't do well, is that when the PIDs are tuned up tight, the control is very sharp. I...

Well, you've really highlighted the issue well. Arducopter is more complicated than other systems. Commercial photographers tend to not want things too complicated, so they avoid it. It's not that something is wrong with the system. It's just not what some people are looking for. That's why...

When I talk about professional applications, I don't mean artistic aerial photography. Lots of people using the system for mapping, 3D imaging, SAR, etc. I have seen some pretty good artistic videos, some of it even shot from an Iris. Surprisingly good actually. But the people doing it tend...

I didn't have any problem. I've seen worse.