Many gliders have choice of wingtips depending on the category under which they fly.
Eg the very popular LS8 can be flown in 15 metre mode (small wingrtips) for 15 metre competitions or in 18 metre mode (larger wingtips) for 18 metre and Open class competitions. Different max weight limits apply.
Jack
Last edited by jackharr; 14th July 2012 at 08:39.