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Replacing a neck

 
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hillyer43
Junior Member


Joined: 27 Jan 2013
Posts: 11

PostPosted: Mon Jan 28, 2013 5:59 pm    Post subject: Replacing a neck Reply with quote

Hello to all and I'm new to this (excellent) forum. I'm an amateur maker with 3 violins completed and now building no 4 . The body is complete and I finished and fitted the neck (but hadn't glued it in). I suppose the neck, scroll and fingerboard work took 40-50 hours. Well, I had an accident....slipped on ice whilst carrying the neck assembly, fell on it and the scroll snapped off and the pegbox broke into 3 pieces....... A professional maker has looked at it and concluded that it isn't worth trying to repair it.

As you will imagine this is quite a setback!....particularly as I'd got the fit and all of the neck angles spot on....and rather better than I'd ever achieved before. So I'm starting on another neck and my problem is that the neck block mortise has been exactly shaped to final dimensions for the now ruined neck no 1. How do I set about fitting the heel of the new neck no 2 to an already shaped mortise?.....thanks....John
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pmccombs
Member


Joined: 15 Jan 2013
Posts: 87
Location: Utah

PostPosted: Mon Jan 28, 2013 7:13 pm    Post subject: Re: Replacing a neck Reply with quote

hillyer43 wrote:
Well, I had an accident....slipped on ice whilst carrying the neck assembly, fell on it and the scroll snapped off and the pegbox broke into 3 pieces.......


Sorry to hear it... I too live in an icy wasteland. Lots of accidents last week in particular; nobody could keep their feet. Plus, freezing temps inside the shop were no good for violin work.

You could always fill in your mortise with fresh spruce, which might be easier to fit into the existing recess than hard maple, then recut it to fit the new heel.

I'm not sure what others here might suggest. I am an amateur also.
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actonern
Super Member


Joined: 15 Aug 2007
Posts: 444

PostPosted: Mon Jan 28, 2013 8:09 pm    Post subject: Reply with quote

I was once turned away for a second to get a knife and make a small cut on an almost finished in-the-white cello, that was sitting erect on a bench.

I turned back, to see it slow motion go over and smash on the concrete floor.

It really hits you in the gut and I know how you must have felt!

I don't think you'll find it that difficult to fit a new neck into a finished mortise... you'll certainly work slower, and in "reverse" but it should work out fine.

And when its all varnished and no trace of the accident evident, you'll smile and notch up one more disaster under the belt.

(I was always amazed at the stupidity of makers that cut out the back plate without a button... and then I did it!!!)
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rs
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Joined: 14 Jan 2009
Posts: 188
Location: Holland, Michigan

PostPosted: Mon Jan 28, 2013 8:43 pm    Post subject: Reply with quote

Fill the hole with a fit piece of spruce and re-cut the mortise to fit the new neck.
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pmccombs
Member


Joined: 15 Jan 2013
Posts: 87
Location: Utah

PostPosted: Mon Jan 28, 2013 8:52 pm    Post subject: Reply with quote

actonern wrote:
(I was always amazed at the stupidity of makers that cut out the back plate without a button... and then I did it!!!)


I've done it more than once; luckily my teacher taught me how to do a button graft. I have some pictures of my latest misdeed and shall have to post it in a new thread... Wink
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FiddleDoug
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Joined: 08 Sep 2007
Posts: 227
Location: Hilton, NY

PostPosted: Tue Jan 29, 2013 8:12 am    Post subject: Same way you do when doing a neck graft. Reply with quote

Same way you do when doing a neck graft. You leave the body end of the neck large, and very slowly, by a fraction of a mm at a time, adjust the three angles, the length, and the overstand, until everything fits. Not a fast or easy task.
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Doug Wall

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hillyer43
Junior Member


Joined: 27 Jan 2013
Posts: 11

PostPosted: Tue Jan 29, 2013 8:21 am    Post subject: Reply with quote

Thanks to all for replies. As Fiddledoug says..."it's not a fast or easy task". I'm going to have to be especially careful at the shoulder faces of the ribs where they join the new neck sides as there's no more rib to remove (or hardly any) for the new neck fitting process....once the new neck is made. It's going to be another steep learning curve......John
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Michael Darnton
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Joined: 23 Mar 2007
Posts: 1347
Location: Chicago

PostPosted: Tue Jan 29, 2013 10:19 am    Post subject: Reply with quote

If you use basswood or some similarly grainless wood to fill the hole, it will be easier to cover up later.
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new blog at my site! http://darntonviolins.com/blog
my work sites: http://darntonviolins.com and http://darntonhersh.com
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hillyer43
Junior Member


Joined: 27 Jan 2013
Posts: 11

PostPosted: Tue Jan 29, 2013 11:04 am    Post subject: Reply with quote

Thanks Mr. Darnton for the basswood suggestion. I have some and will use it....John
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hillyer43
Junior Member


Joined: 27 Jan 2013
Posts: 11

PostPosted: Mon Feb 04, 2013 8:37 am    Post subject: Reply with quote

Well, I'm getting on fairly well with the new neck.....the scroll is underway and the pegbox is 80% excavated. I'm still looking at the broken-off scroll from the first neck though, and something ought to be done with it. I initially thought to put it in a small display case for the "rogues gallery" section of my workshop notice board....... But perhaps it would be more use converted into a handle on the bathroom light switch cord......or possibly a drawer pull on my tool chest....

A lot of hours went into it and seems a shame to do nothing with it.
Anyone have any better ideas?
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Jacob
Junior Member


Joined: 13 Jan 2013
Posts: 20
Location: Cape Town

PostPosted: Wed Feb 06, 2013 12:08 am    Post subject: Reply with quote

hillyer43 wrote:
A lot of hours went into it and seems a shame to do nothing with it.
Anyone have any better ideas?

Here's what I did once: http://www.briscdisc.co.za/violins/woodpile.html/


Last edited by Jacob on Wed Feb 06, 2013 2:40 pm; edited 1 time in total
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johngia
Member


Joined: 10 Nov 2009
Posts: 84

PostPosted: Wed Feb 06, 2013 11:51 am    Post subject: Reply with quote

Jacob,

Really enjoyed seeing what you have done with your scrap wood. My name is John. I am a wood hoarder. I have every piece of cutoff wood from 20 violins. My Grandson has built several art pieces similar to those you show. Funny I should read your post today. Had decided just this morning to clean up my shop. To cluttered. Was going to throw away the many boxes of scrap taking up too much room. I am now reconsidering. Smile (P.S. Your link did not work as posted. Had to go to http://www.briscdisc.co.za/violins).

hillyer43

I cut the heel too far back on my first attempted neck. It is now displayed prominently on a shelf in my shop.
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Jacob
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Joined: 13 Jan 2013
Posts: 20
Location: Cape Town

PostPosted: Wed Feb 06, 2013 2:43 pm    Post subject: Reply with quote

Sorry, I've fixed the link: http://www.briscdisc.co.za/violins/woodpile.html

Just for the record, it's not what "I" did with the scraps, it was somebody else. I was just an innocent bystander Surprised
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johngia
Member


Joined: 10 Nov 2009
Posts: 84

PostPosted: Wed Feb 06, 2013 3:36 pm    Post subject: Reply with quote

Jacob,

To clarify (I'm trying to improve my communication skills Very Happy )

I enjoyed seeing that you provided your scrap wood for those creative young people to express themselves. Smile
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