In either case, the issue will be to examine for enough blade thickness to allow the repair to be completed and still have sufficient “meat” left for durability. The good news is that it can normally be straightened out again. Since the strength of the material is more like bronze than a high strength stainless, it will “pretzel” pretty easily. The material used in low-strength stainless props is more similar to that used for deck hardware. This provides a significant increase in corrosion resistance, but also drops the tensile strength, typically by 50% compared to the high-strength material. Low-strength stainless uses more nickel in the alloying combination. ![]() I prefer to install propellers on a taper engage ment because it’s extremely. Its bore is cone shaped in precisely the same manner as a propeller hub bore, and it engages an identical male cone machined in the forward end of the prop shaft. The third common option is a taper coupling. This is a natural consequence of the higher carbon steel content used in the alloy. regularly, there’s little to recom mend this type. High Strength or Low Strength?Īnother characteristic of high-strength stainless is the fact that it shows more corrosion than low-strength stainless. Given its high strength, it does not like being bent into a pretzel and straightened. Centered on global trade, the unique advantage of the Port of Little Rock is our central location and intermodal transportation facilities. If you have the existing part that is stamped on your boat propeller, you can find all matching props here. ![]() Step 4: Select the year of your marine engine. Step 3: Select the HP for your marine engine. It welds well and can generally be repaired unless it is bent excessively. Finding the correct propeller for you boat is easy with our Prop Guide. High -carbon stainless is very strong and damage resistant. Generally speaking, stainless props are made from two general types of metals. First of all, is the remaining thickness okay? Any signs of cracks? How extensive is the damage? How much metal is missing? Stainless props need to be evaluated on similar criteria as bronze ones. Cavitation has worked its magic on this stainless steel prop.
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