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Old 09-06-2005, 12:01 PM
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DanC DanC is offline
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Prop ding

Checked the prop after this weekend's skiing and noticed a small ding in one blade. It is an OJ XMP. The ding is not visible to the eye and there is no damage to the surface or finish of the prop but a flat spot can be felt when running your fingers over the blade. The flat spot is about the size of a nickle. I don't notice any change in vibrations when running the boat at any speed. But then again, I don't have the most discerning senses.

What would you do? Leave it alone? Hammer the ding yourself? Send the prop in to be re-pitched? I have heard stories that prop repair can not get the same accuracy as the manufactured prop. Prop repair isn't cheap, is it worth it in this case?
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Old 09-06-2005, 12:11 PM
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Depending on where the flat spot is, it might be just the final blancing from the factory.
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Old 09-06-2005, 12:26 PM
stevo137 stevo137 is offline
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Edit.
I usually get a ding sooner or later in the season due to low lake level. If you don't have loss of top end or feel no vibration at any speed there is nothing to worry about.
It can make things worse if you try to bend it back and you should never file rough spots.

Last edited by stevo137; 09-06-2005 at 01:31 PM.
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Old 09-06-2005, 12:41 PM
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Quote:
Originally Posted by MasterMason
Depending on where the flat spot is, it might be just the final blancing from the factory.
It is not a balancing flat spot. As I said, there is no change to the surface or finish. The flat spot is on the middle edge of one blade. The other two blades have some cup along the edge, this blade now has less/no cup. Most likely caused when hitting a waterlogged stick, soft but has some mass to it. My son hit several small ones that day.
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Old 09-06-2005, 02:38 PM
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If there's no vibration, I personally wouldn't worry about it. If there's a hint of vibration, particularly with a CNC'd prop, I'd get it refinished. My $.02.
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Old 09-06-2005, 02:56 PM
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In addition to what East TX said I would check your WOT RPMs and top speed. I noticed with just the smallest of dings on props it would drop my top end 1-2 mph.
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Old 09-06-2005, 03:13 PM
stevo137 stevo137 is offline
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Quote:
Originally Posted by east tx skier
If there's no vibration, I personally wouldn't worry about it. If there's a hint of vibration, particularly with a CNC'd prop, I'd get it refinished. My $.02.
It's very difficult to repair a CNC'd prop.
Once it is damaged, it will never be as good as new.
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  #8  
Old 09-07-2005, 06:13 AM
jimmer2880 jimmer2880 is offline
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Put your hand on the pilon to test for vibrations. That's the best way I've found.
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Old 09-07-2005, 06:44 AM
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Dan you'll probably just have to scrap the whole boat and get a new one now that the prop is dinged.
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  #10  
Old 09-07-2005, 07:01 AM
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morning bri......you're chirpy this morning
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