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post #9 of Old 04-12-2013
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Re: Prop shaft material

Old thread, I know, but I wonder what the price difference would be between a bronze (or stainless) shaft and one made from titanium.

And while we're at it, what about a 2 or 3 bladed folding propeller from titanium compared to one made from bronze? I know that those supercavitating ones are often made from titanium, but I'm talking a slow moving one attached to a reasonably light boat and few (<15hp) hp.

I probably won't be able to afford it, but I think it would be great to save a bit of weight down there, while at the same time not having to deal with bronze/brass underwater.
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