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Old 07-20-2019, 04:40 PM   #1
thinkxingu
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Default Aluminum Prop Repair?

Hi! A friend of ours hit a rock today, and their prop edges are rolled. Are aluminum props repairable, or are they just replacement (cost vs. strength, etc.)? Thanks!

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Old 07-20-2019, 06:00 PM   #2
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If the damage is not to bad a marina can send out a prop for repair. The cost is roughly 1/2 the cost of a new prop.
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Old 07-20-2019, 06:49 PM   #3
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Aluminum props are repairable if it's (very) minor damage, but, it may be cheaper to just buy a new one. A knowledgeable marina should be able to advise which way to go once they see the damaged prop. New aluminum props are pretty cheap to buy these days.
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Old 07-20-2019, 07:03 PM   #4
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As a third option, an inexpensive new one may be available on Craig’s List. Sometimes a boat is sold without the spare prop. Sometimes a different pitch is tried briefly but not preferred.
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Old 07-20-2019, 07:47 PM   #5
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Thanks for the tips, all!

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Old 07-21-2019, 06:11 AM   #6
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Would be a great time to upgrade to stainless steel. They are far more resilient to rock strikes and have better performance (assuming they are appropriately selected for the boat, engine, and use).
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Old 07-21-2019, 07:23 AM   #7
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Quote:
Originally Posted by Dave R View Post
Would be a great time to upgrade to stainless steel. They are far more resilient to rock strikes and have better performance (assuming they are appropriately selected for the boat, engine, and use).
I think this person's history (of striking things) precludes stainless (which would increase the chance of driveline damage (right?))

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Old 07-21-2019, 05:16 PM   #8
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Quote:
Originally Posted by thinkxingu View Post
I think this person's history (of striking things) precludes stainless (which would increase the chance of driveline damage (right?))

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Not if they hit lightly enough to just "roll" a blade or three, as described. That sounds like a low speed touch and that would not do anything to the driveline, in my experience.
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Old 07-22-2019, 05:02 AM   #9
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Quote:
Originally Posted by Dave R View Post
Not if they hit lightly enough to just "roll" a blade or three, as described. That sounds like a low speed touch and that would not do anything to the driveline, in my experience.
They're almost always low speed, but seemingly common enough to maybe not risk the expense or damage, especially as they don't do a ton of quick acceleration/high speed maneuvers.

They also tend to be...frugal.

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