talked to them for a while at the Miami show last year. they have no interest in the high perf market and the prop isnt intended for it. nice people though

After asking this, I looked on Youtube (tried to post the vid, but failed because I'm not 'puter literate) and found Boat Test did a few vids on this. Didn't see anyone else test it though, just them. It appeared to work just as good with better midrange power. That seems to be their target goal.

Not sure how independent Boat Test is? But they did try a couple different applications. Found them on You Tube

That is a very good question.



You seem to be spot on with that statement. After watching the "test" vids, it does seem they are after people that stay in the cruising range. Looking for optimum fuel economy and mileage. The prop appears to have a big advantage in the time/RPM to plane and 2500- 3500 RPM range. At higher RPM (which is the preferred RPM range of most of this site's members) it has almost 0 benefit. So, not really targeted for high speed performance as you mentioned.

Thanks for the input guys.

Also interesting to watch were the under water vids of the 2 different props comparison.

You have to be careful on their data. They don't always compare apples to apples in the data sets. If it was truly magic they would have sold a lot by now.

At $5k a prop, not sure they would have sold a lot. But figured someone should have tried it by now.

https://www.sharrowmarine.com/store/mx

i think its novelty like the shifting props anyone remember those?

Im guessing it’s got a little more blade area then, or it effectively does.

Better cruising speeds can be achieved with the 16” Merc Eco or 16” Suzuki style props (solas?). I like these props a lot on my boat relative to a bravo, pulls my RPMs down about 500rpm at cruise.

Some of the THTers had experience with sharrow props. They are dogs.

Twin prop designs, like the Volvo Duoprop and Merc B3 are less expensive ways to achieve the same thing. Excellent efficiency at low speeds, turning, and cruise. But, yes they have a relatively low top end ceiling. The B3's and DuoProp's don't cost $5K a piece and can easily repaired at the majority of prop repair shops.

Good luck to Sharrow, but I don't see the market for the types of boats they are after to sell to.

My thoughts, i’d be contacting teague, or similar bigs in the industry, and have him (them) test them. If things ho well, ypur product may probably take off.

How about top speed compared to bravo. Have tought to test on of those large diameter 3blades, bravo gives too much stern lift in my application.

Sharrow appears to have courted the boattest.com folks (also associated with the Sovereign Boat club). Maybe all those rental boat's in their fleet should have them! Can you imagine $5K props on a rental fleet??!?!