"The servos in the legs are Dynamixel AX-12 from Trossen Robotics, they have a lot of details on the servos on their website. Including a nice data sheet, and specs.
They are a "Robot Servos", communicate using TTL, and have a 300 degree range of…"

"There could be areas, flying over an obstacle is not really possible. Debris on the ground could prevent tires. Hexapod can walk over it. 

The end goal is to make the two attach and detach from each other on the fly so to speak."

"Hey,

Here is an another video. This one features the Hexapod in action a bit more, and also by user request, features us GRABBING STUFF! They just want hugs!

http://youtu.be/yRvsm1W-5Ck"

"Hey,

Would like to thank you guys for posting about this over here.

It is a really fun project we are working on. This is just the first proof of concept for us, make sure we can carry the payload well, and the hexapod is still able to walk.

We…"