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Old 06-14-2015, 02:00 AM   #1
kdrector
 
Join Date: Feb 2013
Posts: 2
Default blade cross section width

I see in propeller drawings that the length of the cross section, sometimes superimposed on the side view, sometimes exceeds the thickness of the blade at that station. I’m not referring to the chord of the cross section, but the width of the cross section relative to the thickness of the blade.

You can see this in the drawing of the Helice Normale on this site and I have attached a snippet from the drawing with sections 1 and 2 to illustrate.

Can someone explain this to me?
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