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Do I dare?



 
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goldenhornplayer
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Joined: 22 Nov 2001
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Location: Winston-Salem, NC

PostPosted: Sat Feb 27, 2010 6:29 am    Post subject: Do I dare? Reply with quote

The top tubing leg for the third valve slide broke loose on one of my horns. In other words, there is a tubing "nub" still attached to the third valve casing but the tubing "leg" soldered to that has broken loose. I have a small butane torch and the soldering supplies so do I dare to attempt this repair myself? I'm quite good at electronic soldering but I've never done a horn repair like this. Now, I would assume all I need to do is clean the mating surfaces really well, tin them with some solder, and sweat them together with the torch. BTW, the finish I'm working with here is silver plate. Any suggestions or recommendations? Thanks-Ken B.
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James Becker
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Location: Littleton, MA

PostPosted: Sat Feb 27, 2010 6:38 am    Post subject: Reply with quote

It sounds to me even with your electonic soldering experience you might not want to solder your silver plated trumpet without some prior practace doing so. Soldering tubing to a valve casing knuckle reqires more heat because the casing will act as a heat sink.

To avoid making a mess of it, and it is very easy to do on silver plate, take it to a professional. Alignment of the action slide is also a concern that requires experienced hands and eyes.

Good luck!

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James Becker
Brass Repair Specialist Since 1977
Osmun Music Inc.
www.osmun.com


Last edited by James Becker on Sat Feb 27, 2010 6:44 am; edited 2 times in total
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goldenhornplayer
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Joined: 22 Nov 2001
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Location: Winston-Salem, NC

PostPosted: Sat Feb 27, 2010 6:43 am    Post subject: Reply with quote

Thanks, Jim. Very nice of you, as a pro, to take the time to offer your suggestions. I had thought of the alignment issue earlier and realized that, particularly on the third slide, it would have to be very, very good. Maybe I should just send the horn to you. Any idea of what the repair cost might run for something like this? Thanks-Ken B.
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James Becker
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Location: Littleton, MA

PostPosted: Sat Feb 27, 2010 6:50 am    Post subject: Reply with quote

goldenhornplayer wrote:
Thanks, Jim. Very nice of you, as a pro, to take the time to offer your suggestions. I had thought of the alignment issue earlier and realized that, particularly on the third slide, it would have to be very, very good. Maybe I should just send the horn to you. Any idea of what the repair cost might run for something like this? Thanks-Ken B.


Ken, It's likely to cost you between $30.00 to $45.00 to have us remount your slide. Drop me an email at [email protected] or phone the shop at 781-646-5756 if you'd like to send it our way.

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James Becker
Brass Repair Specialist Since 1977
Osmun Music Inc.
www.osmun.com
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goldenhornplayer
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Location: Winston-Salem, NC

PostPosted: Sat Feb 27, 2010 6:53 am    Post subject: Reply with quote

Jim--I'll do that. In addition, I will attach a picture of the horn and the tubing so you can better evaluate. Thanks again-Ken B.
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jengstrom
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Joined: 15 Sep 2008
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Location: Rochester, NY

PostPosted: Sat Feb 27, 2010 7:10 am    Post subject: Reply with quote

I'm an engineer, which means I think I know a whole bunch of stuff I really don't.

In the mid 90's, the mouthpiece receiver on my beloved Bach 43* had corroded so badly that it wouldn't hold a mouthpiece if you turned the horn so that the mouthpiece pointed to the ground. The mouthpiece would fall out. I didn't know you could replace just the receiver, and there wasn't a repair shop I trusted in the city where was living at the time. I wasn't playing very much at the time and didn't want to buy a new horn.

I figured I didn't have anything to lose, so I ordered up a new leadpipe from WWBW, went down to my basement with a torch and some plumbing solder, and went to town. The result was a butt ugly horn with solder drips all over it. But you know what? It played. And it held my mouthpiece.

I didn't relace that leadpipe until last year, when I had a pro put a 25-O on it. And that horn is still my main legit axe.

Don't try this at home. I am not a professional.

-John
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jengstrom
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Location: Rochester, NY

PostPosted: Sat Feb 27, 2010 7:12 am    Post subject: Reply with quote

I'm an engineer, which means I think I know a whole bunch of stuff I really don't.

In the mid 90's, the mouthpiece receiver on my beloved Bach 43* had corroded so badly that it wouldn't hold a mouthpiece if you turned the horn so that the mouthpiece pointed to the ground. The mouthpiece would fall out. I didn't know you could replace just the receiver, and there wasn't a repair shop I trusted in the city where was living at the time. I wasn't playing very much at the time and didn't want to buy a new horn.

I figured I didn't have anything to lose, so I ordered up a new leadpipe from WWBW, went down to my basement with a torch and some plumbing solder, and went to town. The result was a butt ugly horn with solder drips all over it. But you know what? It played. And it held my mouthpiece.

I didn't relace that leadpipe until last year, when I had a pro put a 25-O on it. And that horn is still my main legit axe.

Don't try this at home. I am not a professional.

-John
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veery715
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Joined: 13 Aug 2007
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PostPosted: Sat Feb 27, 2010 7:47 am    Post subject: Reply with quote

jengstrom wrote:
I'm an engineer, which means I think I know a whole bunch of stuff I really don't.

-John

Wonderful!! Amen.

veery
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goldenhornplayer
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Joined: 22 Nov 2001
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Location: Winston-Salem, NC

PostPosted: Sat Feb 27, 2010 7:52 am    Post subject: Reply with quote

veery715 wrote:
jengstrom wrote:
I'm an engineer, which means I think I know a whole bunch of stuff I really don't.

-John

Wonderful!! Amen.

veery


Yeah, and I'm a Professional Engineer so that makes me even more dangerous. Well, at least I know it. That's worth something. I've sent an e-mail to Jim Becker and I'm pretty sure I'm going to let him handle this one. --Ken B.
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James B. Quick
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PostPosted: Sat Feb 27, 2010 9:54 am    Post subject: Reply with quote

You will fail if you forget to use flux! You won't even be able to tin the end of a joint without flux!!! Dang it! jbqd
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Andy Del
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Joined: 30 Jun 2005
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PostPosted: Sat Feb 27, 2010 11:28 am    Post subject: Re: Do I dare? Reply with quote

goldenhornplayer wrote:
Any suggestions or recommendations? Thanks-Ken B.

It's good you're taking James' advice. I have a nicely appointed workshop at school to repair instruments, and the most important part of the work I do is knowing when to send it of to a 'real' repair tech.

In this case, I'd be sending it out.

cheers

Andy
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jhatpro
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PostPosted: Sat Feb 27, 2010 11:39 am    Post subject: Reply with quote

If you can handle do-it-yourself dentistry, then give it a shot. Otherwise, be prepared to suffer the consequences. Might not hurt as much but it probably won't be pretty. I know.
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swingintrpt
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Joined: 20 Apr 2003
Posts: 1889
Location: Orange County

PostPosted: Sat Feb 27, 2010 12:39 pm    Post subject: Reply with quote

jengstrom wrote:
I'm an engineer, which means I think I know a whole bunch of stuff I really don't.


This puts you lightyears ahead of 95% of the engineers I've met (and I've met a few - girlfriend's a structural engineer. She also knows that she doesn't know what she knows she knows). Same for you, goldenhorn. It's always good to be aware of where we're at.
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johnsboy
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Joined: 25 Jan 2010
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PostPosted: Mon Mar 01, 2010 11:08 am    Post subject: Reply with quote

You're both wrong - but then I'd know that . . . I'm an architect.

Let the fireworks begin.
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veery715
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Joined: 13 Aug 2007
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Location: Ithaca NY

PostPosted: Mon Mar 01, 2010 11:30 am    Post subject: Reply with quote

jhatpro wrote:
If you can handle do-it-yourself dentistry, then give it a shot. Otherwise, be prepared to suffer the consequences. Might not hurt as much but it probably won't be pretty. I know.


I had to use a Dremel to grind down a metal rod in my tooth which became exposed when the repaired tooth broke. It was two in the morning and my tongue was going to become hamburger otherwise.

The hard part is looking in the mirror while coordinating the motion of my hand - sort of like backing up a trailer.

But I was certainly more crazy when I did that. Or am I more crazy now? OOOOhhhh.....
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Yammie
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Joined: 22 Feb 2005
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Location: Shady Acres Trumpet Farm in Gator Country

PostPosted: Mon Mar 01, 2010 11:50 am    Post subject: OMG Reply with quote

Quote:
I had to use a Dremel to grind down a metal rod in my tooth which became exposed when the repaired tooth broke.


Geez, this almost became an entry in paramedic shoptalk. "You think THAT'S gross? I had to mop up after a guy who spun his own tongue out of his mouth with a Dremel!"
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