ORIGINAL: Ed Smith
To lateral balance it took 3/4 oz of lead in the left wingtip.
Did you add the weight before you flew it. Maybe that is why it is rolling to the left. Before you do anything else I would suggest you remove the wing tip weight and fly it again. there may be a difference. I do not know any racer that adds wing tip weight before the airplane is flown.
Ed S
Yes, the plane was balanced laterally before it was flown.