Discussions

Hi. My EAST program is working on building an ArduCopter as our big project this year. We have the frame up, but now are starting to run into issues. I have all the battery connections hooked up well, the ESCs all connected properly, and the Futaba receiver wired up. Now, we come to the big problem. When we take it out to test fly, just trying to get a couple inches off the ground, the Arducopter flips. It did this on a table, in the hallway, and the grass. 

My teacher and I did ESC calibration several times, and I've have attempted to level out the frame. I'm fairly certain that it is leveled out well, so I don't feel like this is a problem.

This brings up the big issue though, which is why the thing keeps flipping. Can anyone provide any help on this. Some detailed instructions maybe?

Also, we are using a 6 cell Venom battery (http://www.amazon.com/Venom-5000mAh-22-2-LiPO-Battery/dp/B0027GEYSE) and a Venom OPR2 Charger. Now, the battery is only showing 5 cells when hooked to the charger. I read that if you set it to 6 cells and start the charge it'll eventually bring the charge up enough for the charger to learn that this is the problem with the battery. Then stop the charge and restart it. When I monitor the charge of each cell, I see the charge of the cell reading 0.00 go up to 1.13 then 1.58, and then the charger errors out. Does anybody know of anything we can do for this? 

Any help would be greatly appreciated. This late in the year our funds are a little low, so we'd like to get it in the air with the parts we have.