"Dear  Nick Arsov, Thank you for your contribution to the open source hardware and APM team.Waiting for you to publish a schematic."

"Dear  Nick Arsov, I am interested in the schematic of XRacer, If the schematic will be open source, Can you send me a copy of the schematic for research? Thank you very much! My mailbox is dreamshl@qq.com"

"@randy ,I would like to ask these two aircraft is how to achieve synchronization, if I want to achieve the formation flight in the video, How to follow?"

"Hi Nick,
What is the difference between AUAV-X1 and AUAV-X2 ? "