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Trumpet Discussion Discuss Change valve springs in the General forums; Just curious, when can be necessary to change the valve springs?We take as example or depart point a normal-average trumpet ...
  1. #1
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    Mar 2007

    Change valve springs

    Just curious, when can be necessary to change the valve springs?We take as example or depart point a normal-average trumpet player, playing so, one-two hours by day with a reasonable force in the digitation work.
    Maybe can be difficult to know the moment of change after so many time playing the same instrument;after longtime there are maybe a adaptation by the player to the more weakest mechanic answer of the instrument valves.

    And for the choice of the springs? Is better to use the examples copper coulour or the stainless steel versions? There are big differences between this two types ?Certainly they are some differences in the metallurgic and the mechanics factors of this materials.



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  2. #2
    New Friend michaelm2's Avatar
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    Mar 2007
    Cleveland, Ohio

    Re: Change valve springs

    Probably when the valve no longer comes up. I've got quite a few horns made anywhere from 1890s through the 1950s that are still using the original springs with no problem. I think you'll run into other problems with your horns before your springs wear out.


  3. #3
    Utimate User Dale Proctor's Avatar
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    Jul 2006
    Heart of Dixie

    Re: Change valve springs

    The only valve springs I've seen wear out were some on an 80 year old trumpet that had rubbed the inside of the valve spring enclosure so much they had become thin and had lost much of their "spring".
    Olde Towne Brass

    Brass Band of Huntsville

    Trumpet: 1976 Bach Stradivarius ML 43, Curry 3C.
    Cornet: 1993 Bach Stradivarius L 184G, Curry 3BBC.

  4. #4
    Moderator Utimate User Vulgano Brother's Avatar
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    Mar 2006
    Parts Unknown

    Re: Change valve springs

    I had a clock spring on a very old (pre-WWI) rotary break. Other than that, no problems.
    "A tool good enough to be so used and not too good"
    C.S. Lewis That Hideous Strength

  5. #5
    Moderator Utimate User rowuk's Avatar
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    Jun 2006

    Re: Change valve springs

    As the valve wears, the friction between the valve and the casing goes down because less "contact" area is there (the viscosity of the oil does play a big part when the valve is new and tight). That means the mechanical friction goes down as the spring "wears" That is why you do not have any big problems noticing the difference until the valve is so worn that it starts binding.
    Whenever I feel blue, I start breathing again.

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