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Bruce Hunter
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Joined: October.11.07
Location: United States
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| Posted: November.10.07 at 3:05pm | IP Logged
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Greetings!
New member here. I have a flute in the shop with a foot tenon which has become so soft it will not retain expansion. Is it retirement time for the instrument, or is there a strengthening procedure which will not make the tenon too brittle?
Thanks,
Bruce Hunter
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admin
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| Posted: November.10.07 at 5:49pm | IP Logged
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Hi Bruce,
Wow. Can you describe what steps you are taking to expand the tenon and what happens afterwards? What brand of flute is it?
Michelle
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bobbaier
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| Posted: November.10.07 at 7:37pm | IP Logged
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Bruce,
Also, after expanding and assembling the foot to the body, sight down the tube from the headjoint receiver end. Is the foot straight in relation to the body or does it "droop" to one side.
bob
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Bruce Hunter
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| Posted: November.11.07 at 1:03am | IP Logged
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Michelle,
Thanks for the quick response.
It is an Olds. I have tried forming it on a mandrel, and also using a tenon expander.
Bruce
Edited by Bruce Hunter on November.11.07 at 1:05am
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Bruce Hunter
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| Posted: November.11.07 at 1:07am | IP Logged
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bob,
Thanks for the quick response.
After assembly, I see no "droop".
Bruce
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bobbaier
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| Posted: November.11.07 at 11:39am | IP Logged
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Bruce,
Olds flutes are pretty sturdy. Unless there's a crack in the tenon or socket, I don't know why it shouldn't be able to be expanded with normal methods.
I don't know the type of expander or other tools you have (shrinking die, for instance) but it sounds like you may just be expanding the end of the tenon or it could be that the socket is stretched toward the bottom so it's grip on the tenon isn't uniform.
bob
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Bruce Hunter
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| Posted: November.12.07 at 1:54am | IP Logged
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bob,
I use the Ferree's H6x expanders and the swedging dies, mandrels, straightedges, micrometers, and calipers to check sizing, uniformity, orthoganality, and so forth. I'll recheck the socket and see if I missed anything there.
Bruce
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Topic: flute foot tenon
