And it can be quite fiddly telling the difference!
As Bristol Sycamore says, if I can help out a bit with analysis or test methods, please just ask. If you'd prefer not to do so in open forum by all means Email me on
[email protected] ; testing relatively light and simple aircraft with minimum instrumentation is a bit of a long term interest of mine. (And yes, doing a PhD thesis but that's largely for the benefit of my ego rather than anything else.)
G