"At least the things might be lighter to rig but where will the water
go? The limit on glider performance is the airfoil performance at low
Reynolds numbers. This places a lower limit on the wing chord and we
are there already and there is some evidence that thinner wings won't
be better (DG600 wing was 11% t/c). So the most you'll do is reduce
structure weight but with about the same wing area. This just means
more water to get the wing loading and we're running out of wing
volume already."
Put it in the fuze. Provided the wings can be made strong enough, putting
ballast in the fuze is potentially a better option than/ or as well as in the
wing anyway. Less rolling inertia, less inertia in a spin, easier control on
takeoff during aerotow, more accesable for maintenece, less plumbing, less
surface area for a given volume> take longer to freeze at altitude, etc etc.
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