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Schilke & Martin Trumpet Valve Button Threads Size



 
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Ronnman
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Location: SE Louisiana

PostPosted: Fri Jan 24, 2020 4:10 pm    Post subject: Schilke & Martin Trumpet Valve Button Threads Size Reply with quote

What are the thread size and pitch on the modern era Schilke trumpets valve buttons?
Thanks,
Ron
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Leblanc “Al Hirt” Model 1966
Martin Committee #2 1954
Selmer Signet 1969


Last edited by Ronnman on Sun Jan 26, 2020 3:35 pm; edited 3 times in total
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Ronnman
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PostPosted: Sat Jan 25, 2020 12:04 pm    Post subject: Reply with quote

Asking if the Schilke button threads are size 8 x 32 threads per inch?
Thanks,
Ron
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Leblanc “Al Hirt” Model 1966
Martin Committee #2 1954
Selmer Signet 1969
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Leatherlip
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Location: Chicagoland

PostPosted: Sat Jan 25, 2020 7:38 pm    Post subject: Reply with quote

Ron, I ran a 8 x 32 die on my Schilke X3 finger button, and it only goes on 2 full turns and stops. I don't have a 8 x 36 die or tap to confirm, but my thread gauge shows the threads are 36.

Maybe someone can help confirm that the thread truly is 8 x 36?

Regards
Bill
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James Becker
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Joined: 02 Sep 2005
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Location: Littleton, MA

PostPosted: Sun Jan 26, 2020 6:00 am    Post subject: Reply with quote

Bill, you’re correct about Schilke finger button thread pitch, it’s 8-36.

Ron, if your looking for alternative buttons for your Schilke, we have Curry lightweight finger buttons availability at our web store.

I hope this is helpful.
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James Becker
Brass Repair Specialist Since 1977
Osmun Music Inc.
77 Powdermill Road Rt.62
Acton, MA 01720
www.osmun.com

Our workshop is as close as your nearest UPS store https://www.ups.com/dropoff?loc=en_US
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Ronnman
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PostPosted: Sun Jan 26, 2020 6:39 am    Post subject: Reply with quote

Bill/James - thanks for your conformation and info. I am seeking all metal replacements for my Martin Committee and thought the Schilke buttons may work. I’ll double check my thread pitch, but awhile back, I wrote down that it was 32 TPI.
Ron
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Leblanc “Al Hirt” Model 1966
Martin Committee #2 1954
Selmer Signet 1969
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Ronnman
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PostPosted: Sun Jan 26, 2020 9:11 am    Post subject: Reply with quote

Just double checked the Martin Committee finger button thread pitch at 32 TPI.
Ron
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Leblanc “Al Hirt” Model 1966
Martin Committee #2 1954
Selmer Signet 1969
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James Becker
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PostPosted: Sun Jan 26, 2020 9:32 am    Post subject: Reply with quote

There are several brands with 8-32 finger buttons. In no particular order Olds, Reynolds, Kanstul, King, some Conn, Getzen, domestic DEG/Dynasty, Vega, perhaps others I can’t remember. The trick of course is height and whether there’s a riser or not since Martin buttons have one. Good luck!
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James Becker
Brass Repair Specialist Since 1977
Osmun Music Inc.
77 Powdermill Road Rt.62
Acton, MA 01720
www.osmun.com

Our workshop is as close as your nearest UPS store https://www.ups.com/dropoff?loc=en_US
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Ronnman
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PostPosted: Sun Jan 26, 2020 3:33 pm    Post subject: Reply with quote

James - Thanks for your input. I can expand my search in some different areas now.
Ron
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Leblanc “Al Hirt” Model 1966
Martin Committee #2 1954
Selmer Signet 1969
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jjayf
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Joined: 12 Jan 2020
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Location: Olympia, WA

PostPosted: Wed Mar 25, 2020 4:22 pm    Post subject: Reply with quote

Ronnman wrote:
James - Thanks for your input. I can expand my search in some different areas now.
Ron


Ron,
Have you had any luck?
I ask because I a 64 RMC committee with NON matching buttons and stems..
Two are original and one has a thicker diameter threaded finger button that looks like a 30's button and matching valve stem.

I tried olds, conn, blessing, Holton, and even Martin Imperial and Indiana buttons and the thread does not match...all have a thicker diameter threaded rod on the caps.

The stems of the other martins interchange but the top caps do not fit my committees thread ...so the buttons then hit the original top caps since they are a bigger diameter.

I would love to find a set of replacements that look more original then some custom billet ones.
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Jason
50's Indiana
50's Imperial
60's Imperial
Olds Amb., studio, special (love that one)
50's Conn Director 18b coprion bell
40's King Liberty
Holten 22b Cornet
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jjayf
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PostPosted: Wed Mar 25, 2020 8:24 pm    Post subject: Reply with quote

jjayf wrote:
Ronnman wrote:
James - Thanks for your input. I can expand my search in some different areas now.
Ron


Ron,
Have you had any luck?
I ask because I a 64 RMC committee with NON matching buttons and stems..
Two are original and one has a thicker diameter threaded finger button that looks like a 30's button and matching valve stem.

I tried olds, conn, blessing, Holton, and even Martin Imperial and Indiana buttons and the thread does not match...all have a thicker diameter threaded rod on the caps.

The stems of the other martins interchange but the top caps do not fit my committees thread ...so the buttons then hit the original top caps since they are a bigger diameter.

I would love to find a set of replacements that look more original then some custom billet ones.


well....I think if figured out MY issue.. my horn being part of the RMC era it looks like they used a Reynolds valve block and trim on my hybrid horn...
now to find a doner horn...
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Jason
50's Indiana
50's Imperial
60's Imperial
Olds Amb., studio, special (love that one)
50's Conn Director 18b coprion bell
40's King Liberty
Holten 22b Cornet
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Ronnman
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Location: SE Louisiana

PostPosted: Thu Mar 26, 2020 5:01 am    Post subject: Reply with quote

Jjayf - I have slacked off on my search lately since one button pearl is only slightly chipped and still usable. James Becker provided some good info as to the horns which have the same button thread pitch as my Martin Committee.

I was a little confused by your description of the mismatch. Do you have a button that does not match AND a mismatched top cap? A picture may help others chime in on your issue. Good luck with your search.
Ron
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Leblanc “Al Hirt” Model 1966
Martin Committee #2 1954
Selmer Signet 1969
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jjayf
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PostPosted: Thu Mar 26, 2020 7:18 am    Post subject: Reply with quote

Ronnman wrote:
Jjayf - I have slacked off on my search lately since one button pearl is only slightly chipped and still usable. James Becker provided some good info as to the horns which have the same button thread pitch as my Martin Committee.

I was a little confused by your description of the mismatch. Do you have a button that does not match AND a mismatched top cap? A picture may help others chime in on your issue. Good luck with your search.
Ron


No, a button that does not match and the valve stem that screws into the top of the piston and holds the spring in place is not correct either. It has the thread for that finger button but is not the original thread that matches the originals.
After some studying I have found that this RMC era trumpet has a Reynolds Valve block like the Magnas did...so I think I can find what I need to get everything back in order.
maybe this link will work:

https://i.ebayimg.com/images/g/RHEAAOSwVGVeZ-RL/s-l1600.jpg
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Jason
50's Indiana
50's Imperial
60's Imperial
Olds Amb., studio, special (love that one)
50's Conn Director 18b coprion bell
40's King Liberty
Holten 22b Cornet
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Ronnman
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Joined: 09 Aug 2019
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Location: SE Louisiana

PostPosted: Thu Mar 26, 2020 9:30 am    Post subject: Reply with quote

jjayf - now I get it. Someone changed that one valve stem and maybe the whole valve. You might check, if you haven’t done so, to make sure the stem threads that screw into this piston is the same as the other 2 valves.
Ron
_________________
Leblanc “Al Hirt” Model 1966
Martin Committee #2 1954
Selmer Signet 1969
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jjayf
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PostPosted: Thu Mar 26, 2020 3:25 pm    Post subject: Reply with quote

Ronnman wrote:
jjayf - now I get it. Someone changed that one valve stem and maybe the whole valve. You might check, if you haven’t done so, to make sure the stem threads that screw into this piston is the same as the other 2 valves.
Ron

I hadn't thought of that! I just checked..same thread
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Jason
50's Indiana
50's Imperial
60's Imperial
Olds Amb., studio, special (love that one)
50's Conn Director 18b coprion bell
40's King Liberty
Holten 22b Cornet
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Ronnman
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PostPosted: Thu Mar 26, 2020 4:23 pm    Post subject: Reply with quote

jjayf - good news, less components to search for.
Ron
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Leblanc “Al Hirt” Model 1966
Martin Committee #2 1954
Selmer Signet 1969
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jjayf
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Location: Olympia, WA

PostPosted: Fri Mar 27, 2020 8:31 am    Post subject: Reply with quote

Ronnman wrote:
jjayf - good news, less components to search for.
Ron


Absolutely! It amazes me that RMC decided to go with a Reynolds Valve block for the 64 committee when I have a 64 Imperial "student" trumpet with a Martin style valve block that goes back to the 40's

the horn plays very nice so I can't complain, with the flugelesk bell profile and extremely long leadpipe.
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Jason
50's Indiana
50's Imperial
60's Imperial
Olds Amb., studio, special (love that one)
50's Conn Director 18b coprion bell
40's King Liberty
Holten 22b Cornet
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