"How does the trim of the ailerons (both a bit up or both a bit down) effect the plane?
And more specifically, would giving both ailerons a slight bit of 'up' trimming positively influence its inverted flight"



If you put up in both ailerons thats called reflex which is close to giving down incedense in the wing, I have done this as a way of doing simple test on planes with wings mounted solid to see how much I need to shim wing if you have a incedense meter put it on and just move the aileron by hand and you can see what the incedense meter reads, I know a really good flier that has done this with a design that the wings are solid and it does very well, if you use the NSRCA chart please note there should be a correction to the incedense statement, it says to adjust the wing or stab, which should only read adjust the wing as in the chart on aerobobs site [link]http://www.rcaerobats.net/trim_chart.htm[/link]
Steve Maxwell