http://ziadbassil.blogspot.ru/
Для не читающих по английски, здесь его рейтинг "сложности" крыльев в жестких условиях, куда он добавил для сравнения некоторыеВ-ки, С-шки и D-шки (чем выше оценка, тем требовательнее к пилоту крыло):

Advance E7 26 (@93 all up) * 3.9
AD Rise 2 M (@98all up) *4
BGD Base M (@90all up) *4
Eden 5 (@ 95 all up) *4
Hook 3 (@97 all up) *4
Rush 3 M (@102 all up) *4.5
Sprint Evo ( @ 98 all up ) *4.5
Nova Ion 3 S (@ 95 all up) *5.0
U-Turn Infinity 4 S (@ 90all up) *5.0
Gin Atlas S (@ 92 all up ) * 5.0
UP Kantega Xc2 S (@ 90 all up)*5.0
AD Rise 1 (@ 102 all up) *5.5
Windtech Bali (@95 all up) *5.5
Swift 4 SM (@ 92 all up) *5.5
Iota 26 ( @ 95 all up) *5.5
Blacklight SM (@100 all up)*5.5
Sky Atis 4 M (@93 all up) *5.5
Nevada 26 (@ 100 all up ) *5.5
Mentor 3 S ( @97 all up) *5.5
Tequila 4 SM (@92 allup) *5.5
Axis Comet 2 S (@90 all up 5.8
Mentor 4 S ( @ 95 all up) *5.8
UP Summit XC3 @ 93 all up. 6.0
Swing M7 S (@90all up) *6.0
Rush 4 SM (@93 all up) *6.0
Blacklight S ( @ 90 all up) *6.5
Lightning S @ (90 all up) 6.5
Mentor 2 S (@ 95 all up) *6.5
Chili 3 S (@ 98all up) *7.0
carrera S, M 8.0

Mac Elan M (@98all up) *7
Up Summit XC 3 S (@94 all up) *7.5
Mac Elan light 24 (@90 al up) *7.5
Advance Sigma 9 25 (@91 all up) *7.5
Niviuk Artik 4 25 (@91 all up) *8.5
Ozone Alpina 2 SM (@92 all up) * 8.5
Delta 2 SM size (@ 92 all up) *9
777 Queen M (@ 101 all up) *9
Aspen 5 26 (@98all up) *10
Skyman CrossAlps S (@90 all up) *10.5
Sol Lotus one (@ 98 all up) *11
Ozone Mantra 6 SM (@94 all up) *12
Gin Gto 2 S size (@94 all up) *12,5
Triton 2 in S size (@ 96 all up) *12.5 (M size could be different) !
Niviuk IP6 23 (@98 all up) *13.5
Ozone R-10 S (@ 98 all up) *15.0