about the Bell is an existing topic, which answer most of your questions related to the Bell. There are also existing bug topics. In special about the Throttle binding, which its not possible for this moment and you need to move it with the mouse ( buts it is for the Bell also not most important, because of the FADAC ). Similar to the RPM and Torque ( where a free mod exists “Bell 407 improvement mod” ).
So, good starting point for the Bell would be:
Other topics, existing bug reports, etc. can you find with help of forums search function: