Getting back into CL after a very very long time. Just finished a great kit , Blackhawk Model, American Flyer and ran the engine through 3 tanks. I need to adjust CG. It is 18 inch span, 3 in chord, rectangular. The Curent CG , the way it built out is at 1 inch behind the LE . This is excatly where the Bell crank Screw is. I want a pretty forward CG to use it as a RE Trainer. The Drawing schematically shows the trainer CG like at the High Point on the wing at 0.3 to 0.4 inches fro LE .

I have attached some photos below. But it looks like it will take 2 ozs or more at the nose to move it half inch or so. Not much real estate at engine firewall to do that. Currently all up weight , reday to maiden before CG adjust weight is at 5.5 ozs.

Thanks in advance for all assistance and suggestions.