Starlionblue From Greenland, joined Feb 2004, 17118 posts, RR: 66
Reply 2, posted (1 year 1 month 3 weeks 6 days ago) and read 2663 times:
The front edge looks like a reinforcement of some sort. That's where you get most wear and tear. Might well be a stronger material and might well be replaced much more often than the rest of the winglet.
"There are no stupid questions, but there are a lot of inquisitive idiots."