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  1. #1

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    Isn't the Solas impeller stainless steel?

    So I'm finally sending my impeller back to Riva. It was the 3rd one produced and instead of the the pitch being stamped in the impeller, it was written with a sharpie.

    I'm sending it back because with the power filter, stage II tune and impeller, I can't get my 300 over 76mph.

    Point is, I had it taken out to send back so they could check it out... (being pre-production, maybe it needs tweaked)

    Anyway, I've been to the ocean twice and though all I did was rinse it, if the impeller is stainless steel, shouldn't there be no rust on it?

    Thanks,

    Mark
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  2. #2
    Randy WS6's Avatar
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    I have a Reva Solar -CD SRX 14/19R and on the web site say , Solas Concord Impellers increase low-end thrust and top-end speed. Constructed of high strength stainless steel, Solas Impellers feature a polished hub and exclusive hub-end water seal for reduced cavitation. All "R" model Solas impellers are placed in a pitch-block before leaving Solas to ensure accuracy for optimal performance. So after reading your post i took a magnet and its not a nickel base Stainless Steel . The magnet stuck so hard i could not hardly remove it. I work in a metal fabrication shop and work with stainless steel all the time. And i know there are different grades of stainless and some real low grade S.S. will tend to rust and be some what magnetic . The more nickel & chromium the less magnetic and less corrosive , The impeller that i have is defiantly not high grade or sub grade stainless steel. if stainless at all .
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  4. #3
    ABBOTT's Avatar
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    Holy crap..........

  5. #4
    GOT BOOST? Dockside's Avatar
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    Ok so after seeing this I I took a magnet and turns out the stainless cup for my milk shake maker and half the stuff in my kitchen is better quality stainless then the Solas.

  6. #5
    RiverRat71's Avatar
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    Likely 409, low chromium & nickel content, cheaper to make, up to 90% ferrous material. But it is still considered stainless.

  7. #6
    ABBOTT's Avatar
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    Quote Originally Posted by RiverRat71 View Post
    Likely 409, low chromium & nickel content, cheaper to make, up to 90% ferrous material. But it is still considered stainless.
    Like sort of being pregnant......
    Really disappointing.

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  9. #7
    RiverRat71's Avatar
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    Most stainless exhaust systems are 409. Not all bad but will get surface rust. Heavy salt exposure can & will make it look like crap though.

  10. #8
    Randy WS6's Avatar
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    I just dont believe they are stainless, I took a piece of mild steel A36 -1/8" thick about the same thickness as the impeller blade and the magnet stuck just as hard as the S.S. impeller., And also to a piece of 304 stainless steel and the magnet would not stick to it at all ,I know there are some S.S. that are some what magnetic but not like this. I would like to see the breakdown of the alloy they used in the Solas impellers .

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  12. #9
    Randy WS6's Avatar
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    I also checked my stock 2012 GTR-215 impeller and its also very magnetic like the Solas. I thought the factory ones was stainless steel also. Must be a new type of stainless steel, lol.... Dont get me wrong ,the Solas is a very well built impeller and very happy with its performance.

  13. #10
    Sanfish's Avatar
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    For the record, my original Solas SRZ 15/19R with 260hrs it looks brand new. Not a hint or spec of rust.

    While I ride salt water 99.8% of the time, I always drop my ski in a fresh water lake after every ride to fully flush everything. Never on a hose.

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