What is it about the blade shape on WWII German propeller planes that made them very effective and only needing three blades where we see four and five blades on western allies
![Better Propellers for “The Few”: Desmond Cooke's Legacy in the Battle of Britain | National Air and Space Museum Better Propellers for “The Few”: Desmond Cooke's Legacy in the Battle of Britain | National Air and Space Museum](https://airandspace.si.edu/sites/default/files/styles/callout_half/public/images/editoral-stories/thumbnails/IWM%20CH%20594.jpg?h=d392e916&itok=zSZNTIy-)
Better Propellers for “The Few”: Desmond Cooke's Legacy in the Battle of Britain | National Air and Space Museum
Why did WWII planes have propellers at the front? Wouldn't the bullets from the guns hit the propeller blades? Would putting a propeller stop this? - Quora
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