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Thanks for the fast answer! However does this not make the whole system very unsafe? If you connect every + together and the ESC´s don´t work without + to power the Opto System. What happens if one single ESC shorts. Wouldn´t that kill all esc´s simultaneously? Is this the same with all the...

Hi, I just tried to calibrate a T-Motor Flame 80 ESC. It has no BEC and lot´s of retailers call them Opto ESC´s. However they don´t initialize if the plus wire is disconnected. How can this be? Usually ESC´s don't need the plus wire connected to initialize as far as I know. Anyone an idea...

Hi, I am currently testing a quadcopter setup and I have some strange hopping when I yaw quickly. I am using an A2 flightcontroller. Everything should be fine but when I yaw clockwise and let go it stops quickly and makes a small "hop" and when yawing counterclockwise and let go it drifts on...

Thank you for the answer! Greetings.

Anyone knows the difference between the two generations? I could not find anything about that and did not get an answer from Rc Tiger. Thanks

Nice to hear that from Kopterworx too as you are "the" X8 heavy lifters out there with your hammer and you probably have the most experience with big x8´s. I am looking forward to testing the mikrokopter electronics to see if it helps. I think you could also program a custom mixer on your rc to...

I think it might be that DJI does not calculate the loss of thrust when you tilt or roll a heavy and large (120cm motor to motor) X8. I simply had no chance to get it fly a straight line without loosing altitude. The copter regains altitude as soon as you stop but in coming home for example this...

I think you cannot increase the speed on the lower ones but reduce the speed of the higher ones wit DJI. I´ve tried that without success. Seems like DJI does not work on bigger X8 setups. I will put in the mikrocopter electronics over the next weekend. I am running 18x6.2 T-Props btw. Greetings

I´ve tried everything between 100 and 500 for vertical gains. Greetings

Hi, I´ve been reading your thread and saw that you have kind of a similar problem as me. I also have a big X8 flying the epic. In my case a 15kg machine with A2 and Herkules Okto XL III. When I hover in ATTI mode it holds height perfect, but as soon as I fly somewhere I loose height. As soon as...

Hello, I am currently testing Wookong and A2 flight controllers on 120cm motor to motor 15kg setups. I can get nice stable hover with both flight controllers but if I fly (not yaw but actually fly) left at higher speeds (4-5 m/s) the copter keeps it´s height but gains altitude when I stop. If...

Yeah, mine sound the same!

Most esc´s I know have around 12 or 14 on the motor side. That´s why I wonder about the 16 AWG on the U7´s. I´d prefer 14 AWG but I am not sure if it´s needed. Also the U7´s are "singing". I think it comes from the cooling vents they have but not sure.

Hello, I am currently building a rig with U7 420 KV motors. The motors come with 16 AWG cables on it. To me this seems to be a bit thin as the motors can run up to 40A. My rig draws around 12,5A per motor on hover. Any idea if 16 AWG is enough for the U7´s` Greetings

I have the s800 EVO damper kit on it too. I just ordered one of these connection blocks to see if it helps. I´ll let you know.

As I have this issue on 2 arms I think it will happen on even more. I´ve removed the connector blocks from the main core and noticed that the springs on the contacts got bent all the way in over time. This and the fact that the whole frame weakens its structural integrity leads to contact losses...

This is a problem that will sooner or later lead to an esc failure in flight. When in the middle of flying my s800 suddenly nicked about 45 degrees to one side, recovered and repeated this for several times i was kind of shocked. I managed to land but ripped the whole copter apart on search...

It´s a hotel SPA area ;) Greetings

I had it running on 4S without problems. I use iOSD power now, but it works fine with 4s. Best.

Hi, I just finished building mine, first testflight was nice. I need to adjust gains and gimbal balance a bit but I really like this little thing. The gimbal looses horizon after a 90° rotation. Hope to get this fixed. Greetings