Originally Posted by RudiGreyling
Thanks for the high res pictures.
Now I noticed the wave on the rib flanges between the holes...Looks like Vans has gone the extra mile to save weight there too. I was talking to a aircraft designer a couple of weeks back and he told me about that and other things they do to save weight. Nowadays that everything is CNC cut it take a little longer to cut that wavey path, but once set up it can easily be redone AND the weight savings all add up in the end.
Cool, keep them comming.
My guess is that those wavy flanges reduce the need for fluting as well since deformation will be reduced in the press. Very cool.
by Card Machine Works
RV-9A N4822C flying 2000+hrs. / Cedar Park, TX
RV8 Building - fuselage / showplanes canopy (Done!)