I have a question regarding a Full body Thwackbot (FBT) I wish to build.

My robot would have the wheels pointing inward and the whole robot rotates on drive power, not by a seperate weapon motor like a conventional spinner, but the output RPM would be over 500RPM. I have read that if the output is over that it would classify as a spinner, however other robots can spin at a greater speed when they spin on the spot (as mine will), but are permitted. Would mine, or do the rules stop me from using the spin ability as a weapon ?

For anyone thats seen it, its based on my Antweight F.I.N