"Can't figure out how to get a picture loaded. 
We are taking losses with coaxial props, but we have removable arms and can pack in shipping box. 
We wanted to keep the size down. 
AUW to date is ~ 45 lbs   No issues on motor heating. 
On the…"

"Scott
We have a X8 with U8 170 kv  27 x 8.8 CFs
Using 6S Desire Power Lipo  20,000 mAh
Have had several crashes so far. 
We are guessing that using auto trim for these heavies may not produce the best results.
Last incident was in loiter mode. …"

"What configuration are you in X4 ?"

"Poppy Ann
Thanks  I like your Ebay solution as it appears to be light weight. 
The originator of the question was William Bryant. 
My question to William is how many watts does he need. 
Everything is a copter is basically DC driven (Yes the ESC's…"

"I have not run across a solution to convert DC back to 6 VAC.  AC power is tricky because of the frequency. 
I am sure there are circuits to do this.  Concerns are weight. "

"Very impressive integration of hardware and software. 

I have a task to be able to show multiple UAVs location on a fixed map in real time. 
Trying to find open source software that can be modified working in the 5.8 Ghz frequency. 
Its kind of a…"