Wooden airscrews remained important through the interwar years and the Second World War. Their internal structure avoided the small metal parts that could rust and require complicated protection from salt water, an advantage for aircraft operating at sea. The blades still needed proper care. Their reliability and durability also made them useful in land-based aviation.
Chapter · 2:44-3:16
Why wood remained useful at sea
Wooden propellers remained important through the interwar years and Second World War, with reliability and resistance to internal corrosion among their advantages at sea and on land.