![]() Just don't let anyone talk you into going to a larger diameter props in your tunnels and don't expect much more than a kt or 2 improved speed. 4 bladed props will allow you to reduce pitch which will decrease slippage and improve efficiency and they should get you on plane quicker and work better than 3 blade wheels. and OJ inboard propellers in bronze, nibral, and stainless steel. but, there is one thing to be careful of on a 390EC.your tunnels are deep and it doesn't take very much to cause ventilation of the blades. If you have a number of surplus or used inboard propellers that you would like to. I have always found Buck to be reasonable and most of the time cheaper than competitors in this area. ![]() He does do computer scanning, but has the experience (art?) to know what to do to get what you need. Buck has been doing this forever and there is no one better at it. In Panama City, "Marine Wheels" is owned by Buck Holmes.85. I think the business name is "CompuProp" (I don't know them and have never used them, but know people who have, with good results). Walton Beach there is a company that does computer tuning on props. Any 3888 210 hino re- prop experinace here. vs current 20 x 22 (I think is stock issue in 93 ) Dose my 93 210hp hino enter the realm of consideration for a Nibral vs Bronze performance. I think I would just call the prop guys and tell them you want the smoothness of 4 blades wheels and wold like for them to work with you on prop selection and purchasing and let them do their thing.Īlso, you happen to be in one of the best spots in the country for prop professionals. 12-01-2015, 10:47 AM Considering a set of props in bronze. On the other hand, if you order a 22 X 24 XYZ prop, he has no responsibility, other that getting you the prop you ordered. ![]() You do it once or twice in a lifetime, so, who is going to be better at the engineering aspects of prop selection? Second, if you work with a prop professional to change from 3 to 4 blade wheels and net 2800 rpm's, he is hooked up for that task and will tweak the props as needed to get the desired goal. Their business is prop selection and adjustment to achieve the owners needs as far as speed, rpm's etc. First and foremost, the prop guys do this every day, all day long for all types of boats. Learning is great and being involved in the decisions made for your boat is terrific, however, this is a place where you need to leave the details to the pros.for a couple of reasons. The resulting alloy is harder, stronger, and more resistant. What is a shaft The propeller is attached to the shaft. We see these prop questions pretty regularly where boat owners try to select the correct prop for their boats. Nibral props are made of a blend of nickel, bronze, and aluminum. A Nibral propeller is comprised of Nickel, Bronze and Aluminum metals and is a more durable propeller. You need the stiffer blades of nibral with diesel engine torque. ![]() Nibral is an alloy of bronze, aluminum and nickel and is significantly stronger than bronze alone. ![]()
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