ICEMAN! It seems to me that you could peel the covering on each wing panel and drop in a couple{there's that word again]servos. Reenforce both ribs that you are installing the servo between with some balsa scrap, and use some spruce or any other kind of hardwood for the servo mounting rails that bridge between your beefed up ribs. the rails only need to be 1/8" by 3/8" thick to do the job in a 40 size ship. CAFEENMAN! Don't know what slatervaterons are, and when I posed the question, and showed your thread to the boys at the club meeting, all I got from the guys in the peanut gallery were some very impressed looks.[X(][X(][X(] Keep up the good work, guy!!