Alessandro , great looking plane . With all of those great mods you may want to add flaps .
This would really allow you to slow this baby down on landing under power . Considering the P47 flaps are not split , it would be less complicated modification .
I would shorten your airlerons to "more scale" then add the flaps .
There are some great post on "adding flaps to ARF located on RCU "

On another note , my parents were born in Italy , Abrutzi -(spell check) so hello from a fellow Italian
Lou