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And again it's DJI. Why am I not surprised. I'm not sure if it's a problem with DJI's technology per se, or just because they spend so much on marketing they are the defacto plug-and-play outfit. I wonder if this was again caused by GPS loss. I'm hearing a lot of cases where people flying...

His answer was right: Damn near anything. ANYTHING. They could be programmed that on a certain date, they all "attack" their users (fly at high speed through "home" location). Not to be a fear monger, but you asked.

Here's the latest: Denny: Yes, I used to actually warn people against messing around with APM Helis too much. We had a lot of problems. There were the general code bugs, but more importantly, it was very sensitive to high frequency vibration generated when a bearing starts to go bad...

Ok, so it infers it from the relative airspeed velocity data. Does it take a little while for it to come up with a solution after launching? I think Arduplane can do that, but I haven't flown airplanes with it. I'd love to be able to do it with Arducopter, but it's very difficult because...

How does it know the windspeed?

Yes, I know that the capacity of the ESC is a gross oversimplification, but I only suggest that because most people don't really know how many amps they'll draw. So it's just a guideline, a safe estimate, of how may amps you could draw.

You could actually get the exact same thing by simply strapping an APM2.5 on your copter. In fact, you could even get it to report back wirelessly so you can watch it real-time. Only about $300 including telemetry, cheaper than a smart-phone. And bonus, it comes with free flight-control too...

Not for wires. It's simple resistive heating due to current. Volts don't matter. This is not true for all electrical components. But for wiring and connectors, yes.

Yeah, sorry, that's wrong. For wiring and connectors, amps is what matters, not Watts. Amps are what create heat because of the resistance. The voltage only needs to be considered in terms of the insulation quality. At some voltage, it will allow current to go through, but this is probably...

I basically just look at how many amps it's going to draw. The ultimate KISS. ;) Those numbers tell you the amps. XT60 is rated at 60, but can spike a little higher. So a quad with 4 20A ESC's, I just use XT60. On my Octo with 8 25A ESC's, I use an XT90. I use an XT90 on my large heli with...

The best place to buy 3DR stuff in Canada is at CanadaDrones.com. Dany gives excellent service and pricing. I don't know if you can run Arducopter on Multiwii or not. Maybe using ArduPirate or whatever it's called. I don't mess around with that stuff because I need a very high "It Just...

That is AC 3.0.1, plus a few mods I have done which I hope will come out with 3.1 soon. And it's running on APM2.5. But I'll be switching to PX4 for development soon.

Shot this over the weekend. Pretty good demo of the capability of Arducopter on a helicopter. I'm not happy with the tail control shown, but that is partially due to a bad setting, and partially because it's a 450. And of course, all of this works on multirotors too, and their performance can...

I guess it depends a lot on the system, and I can only speak to Arducopter, but since you PM'd me... ;) So Arducopter can be set up such that if you are in Auto when it goes out of range, then it will keep running the mission. This isn't standard, and there's a little bit of work to set it...

Nice, that's using your head! I did something similar, but had the ESC wires soldered directly to the washers with no connectors. Which connectors are those? They look nice.

With 3.0? Yeah, there was some of that. And still could be. Fact is, if the GPS constellation goes for a crap, and the GPS position estimate goes wandering off... there's not much we can do. It's going to follow. Any system will. However, I know that they did some improvements during the...

I'm completely biased, but to me it's a complete no-brainer. The stability of the APM matches everything else out there, and then it offers so many more features, for such a low price. The GPS modes in 3.0 are simply amazing. Last night I was doing the first waypoint flying with tradheli, and...

What kind of point are you trying to make? Aerial Photography means taking photos from the air. Period. I'm not sure on the exact prop size, but Olivier Adler is flying a fairly large Octo with the system. There's no reason the system couldn't fly a 747 if you wanted to. We have not...

Really?! The Wookong can't fly in manual mode if the GPS becomes disconnected? Why would they do that?

I was wondering the exact same thing. If the pilot lost orientation and couldn't regain it, I'd suggest he should sharpen up his manual flying skills, and/or employ navigation lighting to aid orientation. I successfully flew a 450 heli, 400m away in stabilize mode. It can be done. If...