With the 401 and a programmable transmitter, you can skip the tail ESC hack from HeliMax. You can NOT use the 401 without the Y-Cable and brushed ESC unless you can program the channel 5 (gyro gain) on your transmitter.

You can read more on Gyro hacks for the AXE at:

http://www.rcgroups.com/forums/showt...=645063&page=2

Make sure you read my long (compiled information) post on page 2 of that thread if you wish to attempt this...

Dave