ORIGINAL: JVB
A friend of mine has his Venus 2 set up for pattern. He has an OS 120 AX up front. To get the CG to his liking for pattern, his battery pack is located more than halfway back on the tail. He has all servos in back and still had to add 1.5 oz of lead to the tail. It flies extremely well. How are you guys coming out with your CGs? I notice that the 120 AX muffler is about 9 ounces with the adapter. A bit on the heavy side. I am working on mine and would like to avoid moving the pack back that far and adding lead and would at least like to keep the rudder servo up front. Thanks.
Similar situation, a friend of mine also has a Venus II with OS 120AX. He had the servos in the tail and was still nose heavy. All he did was slide the engine all the way to the rear on the mount beams and solved most of his CG problem. Shortened the nose a little because he had to move the cowl back to match but we can't tell any difference in the way the plane flies vs another with the engine further out on the beams.
Woodie