[Trombone-l] Fixing your own horn

[Jason Smith]

--- Daniel Pliskin <daniel_pliskin at hotmail.com> wrote:

> 
> >     Anyone able and willing to chat with me about
> the feasibility of this? 
> >  There are plenty of damaged horns at the places I
> teach that I could 
> >practice with, so my horn wouldn't have to be my
> maiden voyage.
> 
> There are various degrees of “fixing” a trombone. 
> It’s very difficult to 
> get a trombone cherried out.  It’s not that
> difficult to push out a dent, to 
> the point where it looks OK, if you don’t study it
> too carefully.
> 
> The one thing you do have to be careful about,
> though, is making sure that 
> you don’t do something that can’t be made beautiful,
> later, by a qualified 
> repair person.  Perhaps the biggest damage you could
> create is to generate 
> or accentuate a crease.
> 
> OK, the disclaimer is finished, let’s go.
> 
> Get a smooth steel rod, about 5/8 inch in diameter
> and two feet long.  With 
> a grinder, round off the end, so that it’s more like
> half a ball.  Then 
> polish that ball end, so that it’s quite smooth.
> 
> Now, take that rod and hold it firmly in a vise, so
> that it’s horizontal.  
> V-shaped jaws help a lot.
> 
> Hold the bell firmly in both hands with the rod
> sticking into the bell.  
> Starting gently, rub the inside of the bell across
> the cylindrical part of 
> the rod.  But also pay attention to where the rest
> of the bell is.  It’s way 
> too easy to dent another part of the bell, while
> you’re concentrating on the 
> first dent.
> 
> I started you out rubbing the bell against the rod
> very gently, because 
> trombones are very easy to bend.  And if you didn’t
> get any results that 
> would be better than if you pushed too hard and put
> a new crease right next 
> to the old dent.  If you are getting results, keep
> doing what you’re doing, 
> until the dent is smoothed out.  If it’s not working
> for you, try pushing a 
> bit harder, as you rub the bell against the rod.
> 
> And if you’ve been holding your mouth just so, the
> trombone will be 
> restored, perfectly.
> 
> DanP
> 
> 
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>
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> 


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