Laminated Prop Blades

6mm laminations glued to form spiral stair style blank

back face carved to helical surface

finished back face has "undercamber"

finished front face

1.2mm laminations glued to form fan style blank - rear face

A way to use good but 'wavy' thin sheet - front face

rear face carved and sanded to helical surface

finished prop for 1936 Ritz 'stick' model