First, to the devs: wonderful job on the patch. I can finally play the game comfortably now. OK, down to the question for any of you born aces out there

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To establish context, this question relates to the sim in maximum realism mode. Also I'm using the 1.11 October 18th patch:
To set the scene: I've got the spitfire down pat now. From take-off to landing she flies wonderfully and trims to mostly hands-off for normal cruising with boost +5.5 and 2400 RPM around 225-230 mph.
The Hurricane however is another matter. I can get it hands off at about 100kts if the flaps are down and the gear is extended. But at cruising speed I have to apply a constant left pressure on the stick. It seems that the pre-set ground adjusted trim values have been set for the wrong speed. Applying enough rudder trim causes a noticeable left yaw and turning effect which can be countered by putting the plane in a right bank of about 10 degrees. Am I missing something? Alternatively, is there a config file where I can go change the value used to determine this pre-set trim amount? I use a self-centring stick for casual flights with a stiff enough spring that holding that pressure over distance isn't viable. My other stick for "serious" flights is an X65F, and continuous pressure on that would just be murder. Any advice would be hugely appreciated. I'd love to set up a few long duration hurricane flights but my current inability to trim it out means I'm stuck to using it in quick missions only.
I'll be overjoyed if it turns out I just don't know what I'm doing and trimming this plane is a doddle
Many thanks in advance
Anthony