I'm not suggesting the L6 is in any way inferior to the ASW20, just that
it is not superior, and definitely not in the ASW 27 class.
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Here in New Zealand lS6's still win the nationals year after year. Our air is turbulent in general and therms broken and the 6 has a distinct advantage over 20's AND 27's in the climb.

Having flown both for many hours, in stressful mountain environments a clear winner by a margin. The 6.

Recently did a 100k glide with ventus c 18m wing to wing at 75-85 and not a foot in it.

The LS6 is still a weapon in the right hands and I was told by a well known NASA jet test pilot of gliding repute that it and the 8 - are the best handling aircraft her has ever flown - period.