I have used 2 JR Mini servos on the H.stab. The 2 servos are fitted in a special compartment made at the stab were only the edge of the horn is projecting out with a very short push rod. I have purchased the D.E.P.S from Central Hobbies but considering the weight and changes in trimming because of the length I choose 2 servos. Solution of 2 mini servos at the back comparing to 1 standard size servo + the D.E.P.S. is by 10 - 15 grams lighter. Also no changes in trim at various temperatures and some sort of redundancy on the elevator were the factors which leaded tower this solution.
Amram