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Old 22 September 2015, 11:49   #1
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Tidy up prop with a file ?

Hi my prop on my 15hp 2 stroke mariner has a few dings and burs on her.
Would it be worth my while taking off the burrs with a file?
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Old 22 September 2015, 20:28   #2
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Lay the blade edge on a hard surface to use as an anvil and hammer back any bends and dings. True up with the file afterwards.
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Old 22 September 2015, 20:51   #3
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I've just done one today. As JW says hammer the burs out... I did it against a hardwood block... but I spent extra time getting it right so there wasn't really any filing left.

Used 240 wet & dry as my "file" to smooth the edges.
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Old 23 September 2015, 12:59   #4
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Thanks guys
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Old 26 September 2015, 02:32   #5
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It's recommended that when filing a prop, file only on back-side. Of course to remove burrs on front is fine but not full front edge. Doing so can and will through pressure balance-out leading to vibration and unwanted cavitation. I razored a prop once as I got fed-up with weeds in a weedy lake. Worked great and no more weed build-up. But I used a fine file and only on the rear of the prop, from inside (hub) to edge or start of turn. Stay flat as possible - no bevel.
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Old 26 September 2015, 04:25   #6
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Thanks
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