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Old 21 October 2017, 12:37   #1
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Suzuki 3x16x21,5 modification to 20 pitch

I have a suzuki 3x16x21,5 propeller that is oversized for my boat. I canít trade it through the local distributor in Greece.
Is there a specialist that can transform my propeller into a 3x16x20 so that I can have the the same results? The 3x16x20 fits perfect on my boat with 7% slip in middle range rpm.
Is there any chance that could work ?
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Old 21 October 2017, 13:32   #2
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Normally the most you can take out is an inch but that will get you close I guess, probably within 200rpm maybe.

Stainless steel developments seem to get a decent name on the forum but if you search you will get some others I'm sure.
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Old 21 October 2017, 19:02   #3
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Buy another and either gumtree or eBay this one.
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Old 21 October 2017, 19:16   #4
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Prop specialists can usually alter pitch by about 1" up or down however 21.5 seems an odd figure for a stock prop is it a modified 21"? I'm not sure how it would work if the prop has been modified previously worth checking with a prop specialist
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Old 21 October 2017, 19:24   #5
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21.5 is a standard suzuki prop
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Old 22 October 2017, 03:09   #6
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I've had a prop re-pitched by "Steel Developments" and it wasn't a great success. The replacement I eventually bought performed much better than the re-pitched one.

The problem is the "re-pitching" is done by "bending" the blades over their length when the issue is the angle they're attached to the hub, and I have to say didn't really work. Revs dropped ok but absolutely no change in top speed. New prop, same spec, bought me another 5kn

As Jonp says..buy another, there's probably only £50 difference between getting it re-pitched and replacing it by the time you sell your own.
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Old 22 October 2017, 11:02   #7
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Thnx all for the infoís
It was very helpful.
The prop goes for sell
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Old 22 October 2017, 11:51   #8
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where abouts are you in scotland?

i have the prop you need and i was toying with getting the one you have.......
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Old 22 October 2017, 12:52   #9
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I m in Greece and if the prop you have is in excellent condition we can trade them. If you agree both of us we will be charged the postage expenses.
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Old 22 October 2017, 12:54   #10
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Suzuki 3x16x21,5 modification to 20 pitch

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