Members Mtea Posted February 11 Members Share Posted February 11 I happened upon this new propeller (toroidal design) from Sharrow marine that might be interesting to the waterskiing community. Data from Boattest seems to say it has a better hole shot, improves performance a ton in the mid-range RPMs (boat goes faster, planes sooner using less fuel at lower RPM), is quieter, less captivation, better control in reverse. They are very expensive, but they recently signed a production agreement with Yamaha to increase production (and hopefully bring down cost). I found several videos on youtube and some boating forums discussing the prop. It seems like these attributes might be beneficial to further calming the wake behind a ski boat. The test videos I saw were all on outboards, no I/Os or direct drives. Any chatter out there about them? I have nothing to do with the company whatsoever. https://www.sharrowmarine.com/ Link to comment Share on other sites More sharing options...
Administrators Horton Posted February 11 Administrators Share Posted February 11 Yea I get all the press releases from these guys. Have you seen the price per prop? https://www.sharrowmarine.com/store/mx Support BallOfSpray by supporting the companies that support BallOfSpray California Ski Ranch ★ Connelly ★ Denali ★ Goode ★ KD Skis ★ MasterCraft ★ MasterLine ★ PerfSki ★ Radar ★ Reflex ★ S Lines ★ Stokes Link to comment Share on other sites More sharing options...
Baller Andre Posted February 11 Baller Share Posted February 11 5k ??? That'a lot of 5 gals cans... 1 Link to comment Share on other sites More sharing options...
Members Mtea Posted February 11 Author Members Share Posted February 11 I would think the $5k price would come down as they ramp up production with Yamaha who is going to offer them on their own outboard motors according to the press release. It would be interesting if someone could negotiate a propeller test on a tow boat to see what happens. How much would you pay for significantly better performance or a better wake if that turns out to be the case? 1 Link to comment Share on other sites More sharing options...
Baller skibrain Posted February 11 Baller Share Posted February 11 (edited) Interesting, but the thru-hub exhaust design is irrelevant to the inboard tow boat market. Edited February 11 by skibrain 2 Link to comment Share on other sites More sharing options...
Baller ski6jones Posted February 12 Baller Share Posted February 12 @skibrain looks like only available for outboard at this point. Would be cool to test though. Just add that $5k to the cost of an already ridiculous boat price. Next up, auto driving! How high can boat prices actually go before nobody can afford them? Asking for a friend. Already there for me. 3 Link to comment Share on other sites More sharing options...
Baller JayG80 Posted February 12 Baller Share Posted February 12 I saw a boat on a trailer this week that had that prop fitted on 4 Yamaha 300 hp outboards. Link to comment Share on other sites More sharing options...
Baller aupatking Posted February 12 Baller Share Posted February 12 Had a pretty long discussion about these last January. Link to comment Share on other sites More sharing options...
Baller aupatking Posted February 12 Baller Share Posted February 12 May make sense for my fishing boat but really can’t see a whole lot of advantage at the current price for our inboards. Just the thought of adding $10,000 to the $60k repower I need to do on my fishing boat makes me dizzy Link to comment Share on other sites More sharing options...
Baller 6balls Posted February 12 Baller Share Posted February 12 It will sell for the big offshore multi-outboard set. Boats costing millions, what's $5k in a prop? Link to comment Share on other sites More sharing options...
Baller Drago Posted February 13 Baller Share Posted February 13 I would say this is a solution to a non-problem in 3 event 5 Link to comment Share on other sites More sharing options...
Administrators Horton Posted March 17 Administrators Share Posted March 17 Sharrow and MIT have both been working on toroidal propellers which have shown incredible results. 1 Support BallOfSpray by supporting the companies that support BallOfSpray California Ski Ranch ★ Connelly ★ Denali ★ Goode ★ KD Skis ★ MasterCraft ★ MasterLine ★ PerfSki ★ Radar ★ Reflex ★ S Lines ★ Stokes Link to comment Share on other sites More sharing options...
Baller JackQ Posted March 17 Baller Share Posted March 17 Good luck with getting toroidal reworked after you ding it. If it can be done, I doubt it will be cheap. Someone should do the math, how much gas would you save to cover the cost of the prop and the occasional subsequent rework? I hazard I am not completely atypical and seem to go 2-3 years before my prop gets dinged by an unknown object or being stupid and hit the left when to far forward and not paying attention. Link to comment Share on other sites More sharing options...
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