Tarot 2D full size gimbal with continuous servo motors

I have a new X6 Tarot build and so far the early flights are going well. I now look at the gimball and camera mount.

I should first clarify that my goal is aerial still photography with a full size Canon camera. That means that stable video is out of scope. Tilt control is and stabilization is a nice to have (2D).

While I was researching my purchases I came upon the Tarot Rabbit Invincible 2D full size gimbal (sounds like a winner).

I should have realized it was too good to be true. I like the build and the look but the description (which is unintelligible, doesn't meantion how to control it. 

It uses a belt drive and continuous (360) servo motors). I have no idea how to control these from my Pixhawk. 

Issues:

1) Direct control using the servo option in the gimbal panel in Mission Control will not work with 360 servos. The PX outputs an angle and that translates to a rotation speed. Not very useful.

2) Replacing the servos with "standar" servos (the ones in the gimbal are normal size) will work, but will only give me a rotation of 45 degrees due to the 4:1 belt drive. Not very useful.

What would you do?

1) I have a smaller brushless gimbal I build (as much to learn as to use) and it uses a STORM32 controller. Is there a way to get the STORM32 to control servos? I realize it will be slow but it will be strong and I can manage the tilt. Dum idea?

2) Hack the gimbal to accept brushless motors - any idea what rating of BL motors I need to a 1.36g camera?

3) Stop dicking around and go buy a proper gimbal and start taking photos. A full size servo gimbal would work fine.

cheers

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