Quote:
Originally Posted by ApS
That's what these folks say:
https://www.canadapropeller.com/sele...php?t=aluminum
That above site has information regarding replaceable individual blades—not a new idea, but the blades are composite! 
Reminds me of the aluminum "Dial-a-Prop" of the 1960's. ('Can't find anything with Google, but the geared hub had a vernier scale to "dial-up" your pitch).
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I clicked on the link you shared and the website says this about Stainless Steel:
"Strongest
At seven times stronger than aluminum the blades hold their shape through the varying torque applied during its rotation. The strength also allows the blades to be thinner, allowing the prop to turn easier in water, and that unused horsepower can be applied to better performance shapes and heavier cupping."
That's the opposite of what you wrote earlier. :confused