Here is what I picked up about the whole design.
1. This is a directional design, as in there is a "nose" (with two motors) and a "tail" (with one motor). The "fuse" also reflects this (the motors are not equidistant from each other).
2. There are 3 gyros on the axis parallel to the ground, one for each motor. They two on the two front motors (which act as aileron control) are supposed to keep the aircraft hovering parallel to the ground. One doubt I had was whether 2 were needed for this (can it be done with one?), did not get much time to discuss it with him.
3. The motor that is acting as the tail/rudder has the ability to tilt ! As you can see in the attached photo, it is driven by a 50 size heli's (Trex 600) tail blade mechanism
A gyro in the axis perpendicular to the ground is use to stabilize the "elevator" control, which is driven by the tail motor. The 3rd gyro in the axis parallel to the ground (in addition to the 2 used for aileron stability) is used to control the tilt of the tail motor, and it acts as a yaw control (rudder control).
Pretty much all equipment was Hobbycity stuff.
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