esc wiring

Hey, I am designing a VTOL aircraft which weights 15kg. I have 2 (6S) Lipo batteries which are connected in series to give me 44.4V in total. Maximum current required by the 4 motors will be 260A in total for 5secs most. To provide this current safely, I am not sure what kind of wiring I should...

I am building a quadcopter that will use the sunrise cicada 30A 4 in 1 ESC, and an F4 Flame FC. The ESC has 2 (what I believe) are 16 gauge wires for +V and GND, as well as five thinner wires, four of which are signal wires for the motors and connect to the FC, and the last one another GND wire...

Hi, I have a naze32 flight controller connected to a raspberry pi with USB. The raspberry pi is sending/receiving data to/from naze32. The raspberry is connected to LiPo battery and the usb is enough to power the flight controller. On the other hand I have 4 OPTO ESC. connected to the flight...

So im trying to reuse esc from a quad to my new build and theres 3 wires for wiring to receiver or fc. Do i need all red wires to goto receiver or to the fc most esc dont have the extra red wire cause i think its cause it has a bec to give power to rx or fc but dont know if i need all 4 conected.