Well let me first say that I wasn't sure where to start this thread but it seems to me the pattern community should be the ones with the answers.

Here's the deal, I have searched all over RCU and found only little bits and pieces of the answers. What I would like to see is a method to the madness in trimming out a new plane. I've been in the RC game 40 years with a recent 10 year hiatis. I found that I have forgoten a lot of what I need to know about triming out a new plane. I have some specific prblems as well as I would like see a good checklist and correction method. Sure most all of todays ARF's have a basic trimming chart but I don't see it as having the answers that many need. So with that said where do we start? CG, Latteral CG, first things to try while in the air, how props might affect trim etc.

I have built and flown a Model Tech Paramount 52/70. This is a midwing plane with rather large control surfaces and weighs in at 5.75lbs AUW. I have a Magnum 70 4s running a 12X8 prop. Pulls a pretty nice vertical but not unlimited. It has a fairly tall fuse. Attached is a basic picture of the ship.

There was a misprint in the manual and I built it originally to the CG specified. Whish I hadn't but that another story. The wing cord is 14.5" and I have the CG @ 25% of that now. The plane seems nose heavy.

Right now I have a fairly good vertical not falling off to one side or the other and it fly's straight and level under power hands off in calm weather.

The biggest concern I have at the moment is if I apply ruder in either direction it noses down and rolls to the input direction. I mean this thing wants to roll. Knife edge is out of the question it's so bad.

Thank you to all in advance.