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I'm curious to know what exactly you are looking for. I work in a wire factory. No, we don't make anything like this product. But I'm just wondering what the market is looking for. 99.99% oxygen free?

Jodde, I agree... except.... None of those DIY builders are doing that with a RED. The Freefly is the first system effective on a camera of that size. So props to them for that. But yes, it is strange to see so little discussion about AlexMos here. There's even less at HeliFreak. I've got...

What exactly do you want to know? It's exactly what it says it is. Seems fine to me.

Well, this is exactly why the BLGS works so well, and steppers do not. There are NO steps. There could be 4 poles and it would still work. The controller rotates the magnetic field in the motor over an infinitely variable range. Well, in reality I bet there are probably 1024 steps or...

I'm currently designing and H-8 rotor, and have looked at the AscTec. They have done a number of things very right. One of the great things about the layout is that you don't need landing gear of any sort, and the center of mass is above the center of thrust. Also, the center section has all...

So... are they just talking about using a magnetometer (AKA "Magnetic Induction) as in the Lontair servos being rebranded and sold by HobbyKing? I use these almost exclusively on my big helis. And I have some that are modified to turn 330° proportionally. That is, 900 to 2100uS signal gives...

What's really sad is this was just this ==><== far from being believable. We've all seen it too many times.

Everything is wrong with those truss arms. They're terrible. The only reason they exist it to be able to pop them out of a cheap single-slide mold at minimum cost.

I'm seeing more and more of this horizon tilting issue as more people use it. I have a theory based on my understanding of the AHRS in our system. Basically, when you turn those corners at speed, the accelerometers see the centripetal acceleration as a sideways gravity vector, so it thinks...

IMO, given that the DJI Flamewheel arms are so incredibly crappy to start with, adding extensions to them is just pointless. The F450 and Disco, etc. are good as really cheap, basic quads. But if you want to move up and fly with a real camera, you're going to have to get a real AP frame.

Yes, this is very true. Some screens are OK. I have a Galaxy S2 phone, with an AMOLED screen, and it's no problem at all with my polarized RX sunglasses. But most other LCD's are bad. I need to get some non-polarized RX sunglasses for this stuff.

I just got these props in: http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=28285 They are junk, and you can see my review on the item. Oh well, 8 of these are about the same price as a single APC. I'll use them for initial test flights...

Ken, that's almost the exact same idea and reasoning I had. It wouldn't completely eliminate the chance of injury, but being hit with minimum throttle is a lot better than... well anything higher than that. So lock it in to minimum throttle for at least 2-3 seconds. Before allowing it to...

Ken, I'm interested in making the system as safe as possible. Your input is valuable as it sounds like you know what you're doing, and have procedures to act safely, but still have had an accident. So you're saying most of the rest spin the motors, presumably at minimum throttle, when they are...

I believe it'll disarm itself. I believe nothing will happen. But realistically, this all depends on your Rx setup. The APM can only act on the signals it gets. And the signal it gets is dependent on your Rx Failsafe setup. If you have the FS setup as laid out in the wiki, then it should...

Gah! Sorry to hear this Ken. Have you considered using the external LED on the APM? It works well to give you external indication. All my machines use this. You can also drive a piezo beeper. This one is nice too, for audible indication of arming/disarming. I use a little dielectric...

km/h, or mph? I've had my 450 heli at 107km/h airspeed. 700 should easily break 120 km/h.

Honestly, I think that's an upgrade. I wouldn't use a Spektrum system if you gave it to me.

Yeah, I have to admit those inspired me somewhat. Some things I would have done differently... so I did! It appears that he takes apart a hobby Tx and builds it into the case. The UAV GCS is new since I last looked. Looks good, I'm not sure about the external connectors though. I know...

Fireproof containers (ie: BBQ) are great to prevent your house burning down, but do nothing for the noxious smoke that is created. One small variant idea I've had for a while: Use an airtight cabinet to charge in. Vent the cabinet external to the house. Cover the vent with aluminum foil...