fishinwrench Posted May 20, 2023 Posted May 20, 2023 OMG ! They are blinding me with SCIENCE ! https://www.sharrowmarine.com/?gclid=CjwKCAjwvJyjBhApEiwAWz2nLXBCpe2syZc5ZA6Vhv_hmvboWSo3zSgJYtGEfEf1WVOa8oedB4GAcBoCinMQAvD_BwE Seriously, Shaft on gearcase spins. Propeller attaches to shaft, displacing water. Boat moves forward. End of class !!! There's no sense in all of this overcomplication and fussing over R&D. There's nothing new in the world of water propulsion that's worth spending any further time and money on. Please stop reinventing the wheel !
tjm Posted May 22, 2023 Posted May 22, 2023 Well, they say right out that this tech applies to applications "between 150HP-450HP" - so if follows that if your boat is not in that class that the new design won't help. Reinventing the wheel every few days is why modern vehicles no longer use wooden wheels with loose iron tires, and why we no longer are limited to travel speeds of a few miles per hour causing wheel damage. I find it interesting that in the '50s-'90s the consensus was to use ever larger and more flexible tires on smaller wheels rather than the large wheel with small firm tires on the early 1900s; then in the new millennium all the auto industry changed right back to the primitive large wheel with small firm tires. If we believe what the stated advantages of each were said to be, we are now sacrificing the safety of wide flexible side walls for the fuel economy of narrow hard sidewalls, yet the cars still get from "a" to "b" so, is the wheel still round? do props still have some cavitation?
fishinwrench Posted May 22, 2023 Author Posted May 22, 2023 Mercury Marine's "technical" solution to the loss of RPM after about 50-75 hours after break-in, on their new 4-strokes ..... is to change props (reduce pitch and/or diameter). "There ya go, you're back to 5900 RPM, so now leave us alone". 😂
TRRANGER Posted May 23, 2023 Posted May 23, 2023 I dont know if they work but they sure look cool, I know that is not a good reason to buy one but is the majority of the things we put on bass boats really serve any other purpose than to look cool. Flysmallie 1
FishnDave Posted May 24, 2023 Posted May 24, 2023 16 hours ago, TRRANGER said: I dont know if they work but they sure look cool, I know that is not a good reason to buy one but is the majority of the things we put on bass boats really serve any other purpose than to look cool. 😁 Like stickers of companies that aren't our sponsors? 😅
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