Servo question
#2

I got these KST-X10 and love them! Flat mount for a thin wing if you need that style.
https://www.amainhobbies.com/kst-x10...RoCXS8QAvD_BwE
https://www.amainhobbies.com/kst-x10...RoCXS8QAvD_BwE
#3

I run the Spektrum A5060 in my 4 meter Foxbat (my profile pic) which uses only 2 in the fuselage. Have had no issue at all with them in three years now.
https://www.horizonhobby.com/product...SPMSA5060.html
https://www.horizonhobby.com/product...SPMSA5060.html