Hey guy my addition to the hangar arrived last week and she went together nicely! I am concerned on the cg however... The book states 3-3/4" from LE with an OS 46fx I couldn't get the tail off the ground during cg test( that's with battery under the firewall all the servos up front and the receiver as far forward as possible) SOOO tending to overkill things I bought ST G75 Now here's where I am lost... the book shows installing an OS 81 FS with the rudder servo installed in the rear and balancing out that engine is 20.11oz with the muffler, the G75 is 20.63oz WITHOUT the muffler(I am using bisson pitts not sure of its weight) and I still have everything far forward in the fuse as possible and I am a smidgen tail heavy still! Any one have any ideas??