Axisflying iStack F7 FC and 50A 4-In-1 ESC Stack Category_Transmitter The motor mounting holes are

The motor mounting holes are 9*9mm or 12*12mm

Multi-camera nose: Compatible with 99% of the FPV and HD cameras in the market: Runcam HD

Airflow for the ESC is very important if you want to run this 4-In-1 in high current

Not only do the AXII HD 2 Antennas have awesome performance

1x Immersion RC Ghost Ultimate Hybrid 5

Axisflying iStack F7 FC and 50A 4-In-1 ESC Stack Category_Transmitter The motor mounting holes areThe Axisflying iStack is a plug and play F7 flight controller + 50A ESC stack fully encased and protected in a CNC aluminum heat sink for durability and cooling. This makes for a build that is easy to put together and very clean. The F7 flight controller supports both analog and HD, 2 6S voltage input, has a 5V @3A BEC, and is powered by a very powerful F7 MCU. The 4 In 1 ESC is a 50A continuous, 60A burst ESC supporting 128Khz PWM frequency for ultra