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Ok, I better check then... Well, checked all 4. Seem to be very well loctited, I couldn't loosen them without risking stripping the screwheads, so I didn't. Also nice and snug, no endplay. So that's all good. I don't think I'll be able to comparatively test them, as I don't have...

It's a pretty common design to use screws hold the shaft on. Helicopter tail rotors commonly have this. Maybe a divot instead of a flat would be better though... I guess we'll see. Either way, I'm just wondering if they're loctited in so they won't come ALL the way out. That is one issue I...

Oh man. :( Has everybody found the shaft retaining screws are well loctited? Or should I be checking these?

Ah, well I just happen to have DJI folders. But the 2814's seem to only be tested up to 14". So that means they didn't use those props. Anyway, just looking for an A-B comparison.

The most important thing to me is reliability, and performance. I don't care if somebody answers the phone, because if I have to call, it's because I had a problem. And if I have a problem, I'm not going to feel better about the fact that somebody answered the phone. I am curious which props...

Old Man, sounds like you're getting into some pretty serious stuff. If you're ever in need of advanced Arducopter consulting, for system integration, training, troubleshooting, or even feature additions, we should talk.

Well, the motors arrived. I'll be frank, I'm slightly underwhelmed. The machining quality is not what I have come to expect from KDE. Lots of machining marks, signs of rough handling (pock marks), etc. And the windings aren't as tidy as I expected. It's not bad but.. I was expecting...

Not so many people here flying low-cost machines like a Tarot. That's why. Nothing wrong with them, I just got an Iron Man 650 and I'm blown away with the quality.

Check out the new Hobby King high-energy-density LiPos. The green ones marketed for Multirotors. They are about 20-30% more energy dense than the 20C Turnigy's, which themselves are a little better than a 65C rated battery. I've got a set of 4 on their way to me, can't wait to try them.

This bears repeating, because this guy knows exactly what he's talking about. In fact, he mentions MultiWii with a 98Hz Low-Pass Filter. Did you guys know that Arducopter has a default 10 Hz LPF? Seriously. Might be 20, can't remember, but everybody runs it probably without even realizing...

$850 for that? You'll want to fix the wiring. That strain relief is tragic.

So just out of curiousity, how can KDE claim these ESC's have a 600Hz refresh rate, when it's physically impossible to run a 1000-2000uS PWM signal at faster than 490Hz. I mean, I'm not saying it's hard to run it faster. It's defying-the-laws-of-physics impossible. To run 600Hz, you need to...

Arducopter is being used in a lot of commercial applications. In fact, just last night I had a long meeting with a company who is currently flying a very expensive military grade quadcopter ($100,000 per system), but is considering using Arducopter. The reason is they can't get the features...

What's going on with the Xaircraft and turning too fast? They must have a pretty weak AHRS system. With Arducopter, I'm flying my helis at 130 km/h, pulling 6G acceleration, and up to 450 deg/sec flips and rolls, 3D flight, inverted, etc. No problem. And it's the same exact AHRS system the...

Oh really? eCalc showed it will work out quite well but... This is on 4S though, not 6S. And not lifting a lot, AUW like 3kg.

Well, I've ordered 4 of the KDE 2814XF-515 motors for use on a Tarot 650 quad, with 15" DJI folding props. Intent is just to fly around a Sony action cam with a gimbal. Will let you know how it goes.

The Airdog is actually using Arducopter. So the follow-me functionality is already pretty much there. The problem is that it will autonomously follow you just fine, just don't ski around the back-side of a tree, because it'll follow you right through the tree. This is going to be the issue...

Clearly the quadcopter posed a grave threat to the Space Needle. /sarcasm

And BTW, the info on these maps is being integrated into Arducopter GCS. You'll be able to see this info while setting up to fly your UAV. I believe Ardupilot is taking the "inform and warn" approach rather than outright disallowing flight as some others do.

I think they are wanting the community to participate in adding missing zones. This information probably does not exist in any kind of concise format from the government, so it's up to us to figure it out.