bell crook tuning

wjulaxer13 · 05-30-2009, 07:45 PM

any ideas on how i would adapt a horn to use a bell crook tuning slide? I am looking at an instruction sheet that someone submitted to our shop that is for structural changes to a trumpet/cornet instrument to change its key from Bb to C. The design doesn't leave room for a tuning slide and I was curious if I could find a way to incorporate one into the design for my own purposes. Bell crook tuning where the entire bell and crook are moved is one idea. Another may be just incorporating a slide at the crook itself. There may be others that we haven't thought of yet. any ideas out there?

Solar Bell · 05-30-2009, 08:07 PM

Look at Eclipse Trumpets.

They have the tuning slide in the bell crook.

Vulgano Brother · 05-30-2009, 08:37 PM

Stomvi also uses this design on some of their trumpets--the only drawback is for those of us who like to carry/hold our horns by the bell bow. Ouch!

bagmangood · 05-30-2009, 08:40 PM

Something that I've wondered about the eclipse design - Wouldn't that affect the taper of the bell flair?
(and also what stomvi models? *Wants eye candy*)

Solar Bell · 05-30-2009, 09:02 PM

Quote:

Originally Posted by Vulgano Brother

Stomvi also uses this design on some of their trumpets--the only drawback is for those of us who like to carry/hold our horns by the bell bow. Ouch!

I ALWAYS pick my Eclipse up by the bell crook, and very good locking design by Leigh.

Vulgano Brother · 05-30-2009, 09:05 PM

Quote:

Originally Posted by Solar Bell

I ALWAYS pick my Eclipse up by the bell crook, and very good locking design by Leigh.

Get that, wjulaxer 13? Don't forget a locking device!

wjulaxer13 · 05-30-2009, 10:37 PM

I got it about the locking devise. It shows on the picture. I have the same concern that bagman has - the bell taper would be a problem. The taper begins in the crook itself and adding a slide will be difficult with that taper wouldn't it? I have heard of a slide adjustment that uses a sliding device of some kind that attaches to the valve casings. The break for the adjustment would be in the lower end of the crook where it comes out of the 1st valve casing. There is no taper there. The entire bell would move forward and back. I just have never seen one.

bagmangood · 05-30-2009, 11:09 PM

Unless you did a similar tuning bell design to Schilke (and akwright), and with an adjustable bell brace(s)

Brekelefuw · 05-31-2009, 12:45 AM

Quote:

Originally Posted by wjulaxer13

I got it about the locking devise. It shows on the picture. I have the same concern that bagman has - the bell taper would be a problem. The taper begins in the crook itself and adding a slide will be difficult with that taper wouldn't it? I have heard of a slide adjustment that uses a sliding device of some kind that attaches to the valve casings. The break for the adjustment would be in the lower end of the crook where it comes out of the 1st valve casing. There is no taper there. The entire bell would move forward and back. I just have never seen one.

Just get out a trombone. They have the same bell crook tuning system you want.

Solar Bell · 05-31-2009, 01:13 AM

Quote:

Originally Posted by wjulaxer13

I have the same concern that bagman has - the bell taper would be a problem. The taper begins in the crook itself and adding a slide will be difficult with that taper wouldn't it?

I think you guys are thinking way too much.

As to where the bell taper starts.......All I know is that the Eclipse trumpets, not just my MS, play better than any trumpet I have played thus far.

And the Eclipse trumpets span the whole spectrum, from dark all copper bell trumpets to yellow brass bells that can peel the paint off the walls.

Taper schmaper.

05-30-2009, 07:45 PM	#1
wjulaxer13 New Friend Join Date: Dec 2008 Posts: 19	bell crook tuning any ideas on how i would adapt a horn to use a bell crook tuning slide? I am looking at an instruction sheet that someone submitted to our shop that is for structural changes to a trumpet/cornet instrument to change its key from Bb to C. The design doesn't leave room for a tuning slide and I was curious if I could find a way to incorporate one into the design for my own purposes. Bell crook tuning where the entire bell and crook are moved is one idea. Another may be just incorporating a slide at the crook itself. There may be others that we haven't thought of yet. any ideas out there?

05-30-2009, 08:07 PM	#2
Solar Bell Moderator Utimate User Join Date: May 2005 Location: Metro Detroit Posts: 5,526	Re: bell crook tuning Look at Eclipse Trumpets. They have the tuning slide in the bell crook. __________________ Chuck Willard *The Willard of Oz* "Don't be afraid to see what you see." Ronald Reagan The average response time of a 911 call is over 4 minutes. The average speed of my 9mm is 1250 fps *When seconds count....the police are only minutes away.*

05-30-2009, 08:37 PM	#3
Vulgano Brother Moderator Fortissimo User Join Date: Mar 2006 Location: Parts Unknown Posts: 4,253	Re: bell crook tuning Stomvi also uses this design on some of their trumpets--the only drawback is for those of us who like to carry/hold our horns by the bell bow. Ouch! __________________ "A tool good enough to be so used and not too good" C.S. Lewis That Hideous Strength www.letsbuildhope.org

05-30-2009, 08:40 PM	#4
bagmangood Mezzo Forte User Join Date: Aug 2007 Location: Bostonish & San Francisco Posts: 946	Re: bell crook tuning Something that I've wondered about the eclipse design - Wouldn't that affect the taper of the bell flair? (and also what stomvi models? Wants eye candy) __________________ Bb: Courtois 305 "Elite" C: Bach C180-239 (Akwright conversion), Cornet: Conn Wonder (1900) Picc: Selmer Paris, ~1971

05-30-2009, 10:37 PM	#7
wjulaxer13 New Friend Join Date: Dec 2008 Posts: 19	Re: bell crook tuning I got it about the locking devise. It shows on the picture. I have the same concern that bagman has - the bell taper would be a problem. The taper begins in the crook itself and adding a slide will be difficult with that taper wouldn't it? I have heard of a slide adjustment that uses a sliding device of some kind that attaches to the valve casings. The break for the adjustment would be in the lower end of the crook where it comes out of the 1st valve casing. There is no taper there. The entire bell would move forward and back. I just have never seen one.

05-30-2009, 11:09 PM	#8
bagmangood Mezzo Forte User Join Date: Aug 2007 Location: Bostonish & San Francisco Posts: 946	Re: bell crook tuning Unless you did a similar tuning bell design to Schilke (and akwright), and with an adjustable bell brace(s) __________________ Bb: Courtois 305 "Elite" C: Bach C180-239 (Akwright conversion), Cornet: Conn Wonder (1900) Picc: Selmer Paris, ~1971

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