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Nov 13, 2023 - 4:04:02 PM
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430 posts since 7/11/2014

I play a 1990 Granada and have noticed that there is less distance from the top of the head to the strings than on my tb2 as the fingerboard sits a little higher giving more distance between strings and head. Would a medium crown head sit lower such that the head to string distance was slightly more? I say this because I want distance from head to string to be a little more without changing neck setting. Thanks. Tim

Nov 13, 2023 - 4:10:58 PM
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203 posts since 1/7/2021

Different crown heights change where the tension band sits, but don't change the elevation of the head itself.

The head height is governed by your tone ring, or the top of the rim if no tone ring is present.

I think your options would be changing the neck height/angle and changing the bridge height.

edit:  If the head is loose, tightening it will raise the bridge a bit which would also get you a little clearance

Edited by - A Drum On A Stick on 11/13/2023 16:13:26

Nov 13, 2023 - 4:50:18 PM
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15695 posts since 6/29/2005

This is on a Granada,but an old archtop one, so the pictures are different from a flathead one,but you can see how the different crown heights affect the string-to-head distance.

The lower the crown, the higher the tension hoop sits above the head.  Low crown is correct for an archtop, high or maybe medium crown for a flathead.

arcthop one

Nov 13, 2023 - 5:33:02 PM

5365 posts since 11/20/2004

Relocating lag screws is the fix, then slight adjustments to neck angle and/or bridge height. I have done all of mine.

Nov 13, 2023 - 5:38:54 PM
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ban-joe

USA

1242 posts since 12/27/2004

How would the dimension of the crown, which sits below the lip of the tonering, affect how the head is stretched over the edge of the ring?
I think of a piece of Saran wrap stretched over the lip of a glass. The stretched wrap over the top of the glass is completely unaffected by how far down the glass the wrap extends.
In those three Granada photos I see the tension hoop at various heights, given the different crown heights, but the head surfaces seems identical, as they’re simply sitting on the tonering, which hasn’t changed at all.
I recognize Ken LeVan’s extensive banjo luthiery, so maybe I’m missing something.

Nov 13, 2023 - 6:37:04 PM
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DSmoke

USA

1404 posts since 11/30/2015

quote:
Originally posted by Ken LeVan

This is on a Granada,but an old archtop one, so the pictures are different from a flathead one,but you can see how the different crown heights affect the string-to-head distance.

String to head or string to tension hoop? The string to head distance will not change with different crown heights because the bearing edge of the tone ring is the determining factor in the string to head height.

Nov 13, 2023 - 6:41:34 PM

ban-joe

USA

1242 posts since 12/27/2004

DSmoke expressed what I was trying to say a lot more succinctly than I did.

Nov 13, 2023 - 7:43:38 PM

Owen

Canada

14541 posts since 6/5/2011
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Ken, have you changed something in the way you post pics?   Or is it something on my end?

For maybe a week, or a bit more now, all I get are fairly big empty squares.  [Fwiw, they usta be very clear and accurate .... and I liked that mucho better. wink ]

Nov 14, 2023 - 4:08:21 AM

15695 posts since 6/29/2005

quote:
Originally posted by Owen

Ken, have you changed something in the way you post pics?   Or is it something on my end?

For maybe a week, or a bit more now, all I get are fairly big empty squares.  [Fwiw, they usta be very clear and accurate .... and I liked that mucho better. wink ]


Thanks for the heads up. I haven't done anything different.  Maybe there has been some change on this site (?)  Can you see this picture?

Nov 14, 2023 - 6:33:22 AM

Owen

Canada

14541 posts since 6/5/2011
Online Now

Thanks Ken. No pic .... unless a white cow in a blizzard counts.  devil  

The "questionable" state of my computer skills could well be the culprit, but pics that others post show up.  [For a couple of days a few days ago there was some sort of small square icon in the upper left corner.... I think it's so I can "open" the pic, but I've never been able to make that work ..... now just completely blank.]

If nobody else is experiencing ^^, I'll go to Plan "B" .... get my son-in-law to fit a check-up into his busy schedule.

Edited by - Owen on 11/14/2023 06:48:12

Nov 14, 2023 - 7:50:50 AM

Owen

Canada

14541 posts since 6/5/2011
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It's there now.  Ditto for previous ones in this thread.  yes  Mare-see-bow-koo.

Nov 14, 2023 - 8:56:06 AM
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673 posts since 2/21/2005

I’m probably missing something, but isn’t the only variable determining the distance between the strings and the head the height of the bridge?

Nov 14, 2023 - 8:57:08 AM

4935 posts since 9/12/2016
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I just went thru raising my two--by elongating the holes in the rim and ring of each--still didn't get as much as I wanted--but moving the dowel bolts would be a chancy because of the holes being only partially moved--If I ever build another neck--I am going to give myself plenty--

Nov 14, 2023 - 9:01:33 AM
Players Union Member

Emiel

Austria

10393 posts since 1/22/2003

quote:
Originally posted by Ken LeVan
quote:
Originally posted by Owen

Ken, have you changed something in the way you post pics?   Or is it something on my end?

For maybe a week, or a bit more now, all I get are fairly big empty squares.  [Fwiw, they usta be very clear and accurate .... and I liked that mucho better. wink ]


Thanks for the heads up. I haven't done anything different.  Maybe there has been some change on this site (?)  Can you see this picture?


I can see all the pictures you posted in this thread…

Nov 14, 2023 - 2:02:56 PM

5365 posts since 11/20/2004

Bronx banjo,
String height at the bridge is determined by bridge height. As you move toward the neck, all these other factors such as neck height come into play to give more clearance. If you keep strings 1/4" above the fingerboard and raise the fingerboard, maintain that same clearance, the strings go up farther from the head.

Nov 14, 2023 - 2:18:11 PM

79409 posts since 5/9/2007
Online Now

It's a combination of string clearance above 1st fret,neck relief at 7,string height at 12,string height at 22 and bridge height.

Nov 14, 2023 - 2:40:47 PM
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ban-joe

USA

1242 posts since 12/27/2004

Can we all agree crown height has no effect on string height off the head, all other banjo parts being left unchanged?
That seems to be in dispute here.

Nov 14, 2023 - 2:56:43 PM

15695 posts since 6/29/2005

quote:
Originally posted by ban-joe

Can we all agree crown height has no effect on string height off the head, all other banjo parts being left unchanged?
That seems to be in dispute here.


You can say that!

Nov 14, 2023 - 6:44:39 PM

DSmoke

USA

1404 posts since 11/30/2015

quote:
Originally posted by ban-joe

Can we all agree crown height has no effect on string height off the head, all other banjo parts being left unchanged?
That seems to be in dispute here.


Yup!

Nov 15, 2023 - 1:00:45 PM

79409 posts since 5/9/2007
Online Now

I use a medium crown head on flatheads and archtops.

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