I wonder how different brands measure surface area?
Thickness, camber, profile (giving a semi useless number "volume" but better than nothing) is of course what dictates the lift and drag, but if we look merely at the wing area manufacturers give us:
Gong t.ex has three measures I can see on their webpage, an example from two different wings with numbers in parenthesis:
Projected area (1734 / 1520 cm2)
Upper surface area (1912 / 1550 cm2)
Felt area (1900 / 1600 cm2)
But what is "felt" area???
If it is a fictive number for the overall lift of a wing, it is difficult, as would consist of at least area and profile and sweep and AR, and is dependant on aoa.
The difference is between 5 and 10 % on above numbers, maybe not a lot - but still interesting.
How does other brands measure area?
SABFoil?
F-One?
Others?
I know it is not that important, but maybe some knows how a specific brand measure area?
Peter