Suggest you referee to Model Aviation Feb. 05 issue a good 2 part article(Feb. and conclusion in the April issue of M.A. in the monthly (Radio Control Scale Aerobatics column)I think you will be glad you read the guest article by Peter Goldsmith who is the Team JR manager.

I'm no expert but Mike Hurley's guest speaker covers some fundamentals for a good flying Aerobatic ship covered very well in Peter Goldsmiths guest columnist suggestions on trimming and set up.