Finishing the carved wooden blade begins with several coats of primer containing chlorinated rubber. Varnish is applied before a brass strip is fitted along the leading edge. Rivets and screws secure the strip in place. About fourteen additional coats complete the blade, illustrating how much coating work follows the shaping of the wood.
Notable Point · 1:40-1:54
Finishing an airscrew with varnish and a brass leading edge
The carved blade receives primer and varnish, a mechanically fastened brass leading edge, and about fourteen further coats to complete its finish.