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Thread: Euphonium Valve Spacing / Span

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  1. #11
    Join Date
    Jan 2006
    West Palm Beach, FL
    John, I cracked up after reading your last sentence above.

    I found a battery for my digital micrometer and checked the width again. It's actually 6.224cm. Didn't want to take the valve stems out so measured from outside of V1 stem to outside of V3 stem. Width = 6.826. That measurement includes half the width of TWO valve stems. So I measured the width of ONE valve stem (one whole = two halves) and got 6.02mm (.602cm) then subtracted that to get 6.224cm. I agree John that I would have thought the width to be wider on the M5050 since the bore is .610". It is a bear to polish between the valve casings.
    Last edited by RickF; 03-01-2020 at 04:00 PM.
    Rick Floyd
    Miraphone 5050 - Warburton Brandon Jones sig mpc
    YEP-641S (on long-term loan to grandson)
    Doug Elliott - 102 rim; I-cup; I-9 shank

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