Steib Sidecar wingnut question

[gordinir8]

I noticed that the original but also the reproduction steib wing nut has from the inside one of its wings solid and the other one not. I have a theory about that but can someone tell me why it is like this?

Thomas

http://img.photobucket.com/albums/v11/gordinir8/wingnut.jpg

[gordinir8]

[gordinir8]

I noticed that the original but also the reproduction steib wing nut has from the inside one of its wings solid and the other one not. I have a theory about that but can someone tell me why it is like this?

Thomas


http://img.photobucket.com/albums/v11/gordinir8/wingnut.jpg