For the people that didn't visit the Zenith link, thats a sheet metal
hinge, no moving parts, just flexing sheet. I've seen this up close
and its pretty slick. One of those "Why didn't I think of that!" kind
of moments.

Regards

"Rick Pellicciotti" wrote in message news:3f298016$1@ham...

Like this:

http://www.zenithair.com/kit-data/ht-aileron.html

Rick Pellicciotti