Does anyone here do CNC work on propellers?

I found a new propeller design made by Sharrow which is supposed to eliminate a lot of cavitation and increase efficiency by about 15% if not more. That translates to more power as well which is what I'm after. Being that it is more efficient it is supposed to save more fuel.

I got a stainless steel prop on my little Suzuki DF2.5 outboard and I'd like to do that to mine. The prop is brand new and is about 7.5" in overall diameter, but I'm not necessarily willing to take a Dremel to it because there is too much room for error and would rather it be precision cut, so as the title states does or would anyone be willing to do this kind of work here?

 

It doesn't look like that's simply a hole cut into prop blades...

 

By no means, which is why I'd rather get someone to CNC mod for me rather than hand mod it myself because there is too much room for error and I don't know what tool would be good for cutting into steel with hard precision larger and better than a Dremel.

 

I think I see what you mean now. I didn't think cnc did that sort of thing, but I also know very little about cnc.

 

Not a CNC guy, but that doesnt appear to be a "mod".It looks its milled from a single piece with each prop being one half of a mobius strip

 

That's what I'm thinking. Machined all originally from one solid block to be what you see in the photo. I take it a standard propeller couldn't be modified as is then?

 

Correct, the prop blade looks like its looped.

hard to tell from the pictures though

 

It's not looped, it just has fins cut into the prop itself. The reflection of the unpainted propeller makes it appear as if it is looped but it is actually not.

 

Actually... Now that you mention that. I'm not sure anymore. Here are some more screenshots a better idea. Perhaps you may actually be right.

 

just...buy the prop. by the time you pay someone to machine and tune the prop you hacked apart to try to force it into that shape...you could have just purchased the proper one. I almost guarantee you wont find anyone that can properly shape that type of prop. it takes specialty tools and dies just to reshape a normal prop, let alone a complex shape like that

 

It's a single element with two planes. It's kind of like winglets on an aircraft wing but with two lifting bodies connected instead of just winglets. It looks like they are trying to accomplish reducing tip vortices/turbulence which would increase lift and decrease drag. Not something you're going to do by modifying an existing traditional prop without extensive work, heat treating, etc.

 

My guess is that prop was made by a process called investment casting.

This video is old but you get the idea.
I picked the Mercury video cause I work there, but not with props.