Lift to Drag Ratios Compared

[AndyJWest]

My gaming PC is currently out of action, otherwise I'd repeat a test or two with 4.10, to see if anything has changed. With regard to testing, I'd recommend doing this with 'Wind and Turbulence' off, as with it on you can get different results depending on the time of day! As you say, the 'true' ground effect is unlikely to affect your results in most cases, but the W & T pseudo-ground-effect seems to occur at significantly higher levels. All rather strange...