Oh! Do they increase the strength of the wing carry-through and/or the
landing gear/tires/brakes? We mustn't forget that pesky 1/2*mv**2 thing.

Or do you mean they lower the liftoff speed for a given weight thus
reducing balanced field length?


On 1/14/2015 4:04 PM, Mike Rinaldi wrote:
Winglets not only reduce fuel consumption, increasing range, but also allow for a greater take-off gross weight.

--
Dan Marotta