posted on Dec, 28 2012 @ 02:52 PM
reply to post by libertytoall
They're winglets. A lot of planes use them now. They allow for less drag, which means less fuel consumption, which means more mission time. Ok,
now this is odd. I hadn't heard anything about them putting winglets on, but i just was looking and can't find a single picture of the wingtips of
Winglets add weight to the wingtip, so the wing has to be stressed differently, but the MQ-4 was supposed to have a stronger wing anyway. The
performance benefits more than outweigh the added weight, and changes to the wing tip design.
Some common winglets:
737MAX (future winglet):