I like it!
Now I just need to figure out how to make it.
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| old martin ice cream cone heel joint http://w-ww.luthiersforum.com/forum/viewtopic.php?f=10101&t=52828 |
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| Author: | bluescreek [ Thu Jan 16, 2020 11:22 am ] |
| Post subject: | old martin ice cream cone heel joint |
I work on a lot of old martins. Here is something you may find interesting. This is an old ice cream cone heel joint that I had to redo. The artistry of the old craftsmen is fascinating. |
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| Author: | bluescreek [ Thu Jan 16, 2020 11:24 am ] |
| Post subject: | Re: old martin ice cream cone heel joint |
more pics |
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| Author: | jfmckenna [ Thu Jan 16, 2020 11:38 am ] |
| Post subject: | Re: old martin ice cream cone heel joint |
That's very cool thanks for sharing. |
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| Author: | Clay S. [ Thu Jan 16, 2020 12:22 pm ] |
| Post subject: | Re: old martin ice cream cone heel joint |
I like it! Now I just need to figure out how to make it.
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| Author: | alan stassforth [ Thu Jan 16, 2020 2:17 pm ] |
| Post subject: | Re: old martin ice cream cone heel joint |
Thank you for taking the time to post this, John. Do you think it is stronger than a dovetail? Alan |
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| Author: | Burton LeGeyt [ Thu Jan 16, 2020 2:33 pm ] |
| Post subject: | Re: old martin ice cream cone heel joint |
Wow!! so cool- I have never seen one of those apart like that. Thanks very much for posting 
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| Author: | SteveSmith [ Thu Jan 16, 2020 2:41 pm ] |
| Post subject: | Re: old martin ice cream cone heel joint |
Dovetail for the dovetail - cool. |
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| Author: | bluescreek [ Thu Jan 16, 2020 4:33 pm ] |
| Post subject: | Re: old martin ice cream cone heel joint |
this is a pretty strong joint but very labor intensive. This joint did fail and I had to take it apart. The Ice cream cone was a dovetail neck joint. The key to this , is when I put it back together . The key tenon is ramped and had to grab the heel then lock into the neck barrel. The mechanics of this neck is remarkable. The execution of the craftsman was impeccable. |
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| Author: | Glen H [ Thu Jan 16, 2020 6:16 pm ] |
| Post subject: | Re: old martin ice cream cone heel joint |
John, very cool , thanks for posting that. Only thing I can say with certainty- I cannot do a joint like that. |
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| Author: | Corky Long [ Mon Jan 20, 2020 2:27 pm ] |
| Post subject: | Re: old martin ice cream cone heel joint |
Very impressive! |
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| Author: | Clay S. [ Mon Jan 20, 2020 8:59 pm ] |
| Post subject: | Re: old martin ice cream cone heel joint |
Hi John, Do you think the loose tenon was part of the original construction, or would it have been added at a later date as a repair? |
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| Author: | bluescreek [ Tue Jan 21, 2020 6:33 am ] |
| Post subject: | Re: old martin ice cream cone heel joint |
that tenon is part of the system. The tenon grabs the heel then pulls that into the neck barrel. That was the hardest part of the joint. It was surprising stiff on the dry fit |
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| Author: | AndyB [ Fri Jan 24, 2020 8:05 pm ] |
| Post subject: | Re: old martin ice cream cone heel joint |
Nice thread. So what was the actual failure? |
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| Author: | bluescreek [ Fri Jan 24, 2020 9:10 pm ] |
| Post subject: | Re: old martin ice cream cone heel joint |
the glue on the heels miter let go and all the stress was on the key tenon. So when I did the neck reset the heel would open to the string tension. Once apart , it was allowed a week to acclimate and hhg to reassemble. |
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