HELLO PEOPLE, I AM A ITALIAN RADIOAMATEUR AND I SEARCH THE DOCUMENTATIO OF ROTOR AR30 AR40 OF THE CDE AUTOROTOR. I READ THE QUESTION OF FRANK IN THE TOWERTALK ROTOR REQUEST AND I TRY FOR A POSSIBOL ANSWERE. IF HAVE A NOTICE PLEASE SEND A MAIL TO: ik4jqs at tin.it TNX FOR ALL...AND EXCUSE FOR MY ENGLIS.