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Even my Garmin GPS was out. And it never goes out.

It would be nice to print 3d versions of Graupner props in a material that could withstand high RPM.

I think one of the props came loose and resulted in loss of thrust. That's the only thing I can image would cause the motor to spin like that without providing enough lift on the failing arm.

I found two very helpful links for lipo batteries. The key is not letting the cells of the battery get low under load (while in flight). The voltage bounces back on the ground. I have a lipo alarm. I will hover test the craft and monitor the voltage and flight time (at hover) to see when...

Lol! I spent a month researching parts too. YouTube really helped, because some posted their setups and advised what worked and what didn't. I wanted to carry a Sony Nex camera and compared ships that were capable and have flown setups to support the weight. I also read a lot about props...

More positive news for Drones. We should continually submit positive articles on this thread. CNN: http://whatsnext.blogs.cnn.com/2013/05/23/drones-the-future-of-disaster-response/?hpt=te_r1

Thanks! I've adjusted the low voltage settings and will do a test run with a lipo checker. I'm trying to find the sweet spot for keeping it in the air and landing safely when the first level kicks in.

Is it possible for a battery to go under voltage per cell during flight and trigger DJI's voltage monitor even though only 30% of the capacity has been used. I know the battery voltage drops under load, but i haven't touched the 80% capacity of my battery.

I had Gemfan full carbon fiber props on my first flat Hexa. I had a lot of trouble free flights with my craft when I was using APC props. I read about CF props and bought the wrong pair. One of the props broke at the hub during flight. Everything else was history. You have to be careful...

I know the feeling. When my prop broke the loss caused my craft to flip out. I knew instantly that it was doomed, especially when I heard the snap of a carbon fiber prop breaking. I spent an hour trekking through the woods looking for the wreckage. It left a nasty taste in my mouth when I...

This plot was discovered some time ago. The mindset is already out there. http://www.nydailynews.com/news/national/rezwan-ferdaus-arrested-accused-plotting-attack-pentagon-capitol-exploding-rc-planes-article-1.958273

I wrote the CEO of the company. He told me that the current technology would not be able to supply the power requirements of a vertical take off and landing machine.

I found this site while looking for an alternative means to increase flight times: http://www.horizonfuelcell.com/#!advanced-technical-kits/c720 I think this company has been around since 2007. They design hydrogen fuel cells in a solid state ("safe") to power UAVs progects, etc. They also...

I've seen the "old" Naza with GPS sold for $230 online and $200 without GPS some web sites. It might be a great time to buy if you have enough parts to build a second MR.

Lol

TBS' videos combine technology, interesting locales, skillful piloting and great editing. It's what makes their videos fun to watch. The skill displayed is also pretty impressive, especially for FPV flight. I'm sure they're on several watch lists in many countries for security concerns...

Crashes suck. They suck even more when you have numerous successful flights under your belt. I had a flat Hexa with gimbal, FPV equipment etc. reading and hearing about other flyers changing over to carbon fiber props lead me to believe that this was a better choice. I chose the wrong...

I would wait until things calmed down with the S800. DJI has their new WKM V2 coming out, stiffer framed S800 and better S800 ESCs etc. I would hate to order a problematic first gen and see money down the drain. I like DJI's flight controller. I've flown mine successfully without control...

My Sony Actioncam is behaving a little strange. It randomly powers up and down when left unattended. I turned off its wifi signal in case it was receiving interference from nearby routers but it keeps doing the thing. Anyone know what's causing this?

I have a 7 pound Y6 with Avroto Motors and was using 11x5 Graupner props top and bottom. My craft would always slowly descend out of altitude at 50 percent throttle. The only gain adjustments that I made were for control movement to smooth out transitions. I purchased 12x6 Graupner props...