...
Additionally, refer to Aileron Sizing for a starting point. A lot of the research and calculations were based on Sizing Control Surfaces which can also be used for reference. The fixed wing calculator has lots of working info as well.
I suggest brainstorming a few ideas and asking for feedback as there are many factors at play. This task may require more research into aileron shapes. Some thought into linkage/servo connection would also be good.
...