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 Post subject: Meltrope II Spring or Springs wanted
PostPosted: Fri Jan 08, 2021 1:23 pm 
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Victor O
Joined: Thu Oct 11, 2018 11:11 am
Posts: 57
Location: Westcliff-on-Sea. UK.
I am in need of one or two springs from a Meltrope II sound box.
Doe anyone have or know where I might find them?
Thank you.


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 Post subject: Re: Meltrope II Spring or Springs wanted
PostPosted: Fri Jan 08, 2021 2:11 pm 
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Victor IV
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Joined: Wed Feb 22, 2012 10:03 am
Posts: 1118
Location: Dover, UK
Virtually impossible to find! A friend who is a member here has a Meltrope II with one spring missing, and successfully used one from an HMV No. 2 soundbox.
BCN thorn needles made to the original 1920s specifications: http://www.burmesecolourneedles.com

Youtube channel: https://www.youtube.com/channel/UCe4DNb ... TPE-zTAJGg?


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 Post subject: Re: Meltrope II Spring or Springs wanted
PostPosted: Fri Jan 08, 2021 3:32 pm 
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Victor O
Joined: Thu Oct 11, 2018 11:11 am
Posts: 57
Location: Westcliff-on-Sea. UK.
Thank you Orchorsol,

I think I may have to attempt to make one /two in brass.
I guess that it should work as the replacements for EMG boxes offered on ebay?

It appears that Meltrope made very similar boxes using the same basic casting and springs for Dulcetto at least.

Did your friend pass any photos of the No 2 spring conversion. I would be interested to see the results.
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20210108_191150.jpg
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 Post subject: Re: Meltrope II Spring or Springs wanted
PostPosted: Fri Jan 08, 2021 4:12 pm 
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Victor V
Joined: Mon May 13, 2013 2:04 pm
Posts: 2570
Somewhere I have a Meltrope II with one spring I'll try a find find it , I;ve been trying to find another spring for years :(


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 Post subject: Re: Meltrope II Spring or Springs wanted
PostPosted: Fri Jan 08, 2021 5:14 pm 
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Victor IV
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Buyer of broken things
Joined: Sat Feb 11, 2012 4:10 pm
Posts: 1357
Location: North Shields, UK
flying500 wrote:
Thank you Orchorsol,

I think I may have to attempt to make one /two in brass.
I guess that it should work as the replacements for EMG boxes offered on ebay?

It appears that Meltrope made very similar boxes using the same basic casting and springs for Dulcetto at least.

Did your friend pass any photos of the No 2 spring conversion. I would be interested to see the results.
Attachment:
20210108_191150.jpg


Brass is really not a good choice for springs, it doesn’t have too much in the way of springy properties and even when at it's hardest state really won’t do as good of a job as spring steel as spring steel won't deform and always returns to its original place which is very important in any form of spring, brass won't necessarily do this, it’s really got to be tempered steel (spring steel), someone is selling brass “springs” advertised for EMG, I would never put them on any of my sound boxes though


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 Post subject: Re: Meltrope II Spring or Springs wanted
PostPosted: Fri Jan 08, 2021 9:31 pm 
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Victor O
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Round, like a badger with a frizbee, running rings around a spoon...
Joined: Wed Jun 17, 2020 8:24 pm
Posts: 60
Location: Near Durham, Northeast of England
flying500 wrote:
Thank you Orchorsol,

I think I may have to attempt to make one /two in brass.
I guess that it should work as the replacements for EMG boxes offered on ebay?

It appears that Meltrope made very similar boxes using the same basic casting and springs for Dulcetto at least.

Did your friend pass any photos of the No 2 spring conversion. I would be interested to see the results.
Attachment:
The attachment 20210108_191150.jpg is no longer available



That friend would be me! Happy to post a couple of pics baring in mind I refer to this as the "frankensprung" soundbox, as it is quite the visual bodge-job by appearance (feel free to giggle) and results in a very uniquely angled needle, but it's producing a sound I very much like at present so I'm happy with it! will add a YT clip of it in action at the bottom - hope this is helpful! Oh I should say there are tiny scraps of card between the spring and the shell which the picture just doesn't show up well due to my lack of shutterbugability but perhaps they give at least a smidge of an idea.

-Antonia

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https://www.youtube.com/watch?v=MS6TDU_ ... v_&index=1
"I might of come across a darned sight cleverer if I'd kept my mouth shut....."


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 Post subject: Re: Meltrope II Spring or Springs wanted
PostPosted: Sat Jan 09, 2021 1:50 pm 
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Victor IV
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Joined: Wed Feb 22, 2012 10:03 am
Posts: 1118
Location: Dover, UK
Voila! An excellent bit of improvising and a great result Antonia, given the need-must situation with unobtanium springs!

I completely agree with Alex, brass springs are not a good idea at all.
BCN thorn needles made to the original 1920s specifications: http://www.burmesecolourneedles.com

Youtube channel: https://www.youtube.com/channel/UCe4DNb ... TPE-zTAJGg?


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 Post subject: Re: Meltrope II Spring or Springs wanted
PostPosted: Sat Jan 09, 2021 10:25 pm 
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Victor Monarch Special
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Needle Tins are Addictive
Joined: Fri Jul 09, 2010 8:32 pm
Posts: 5149
Location: Belmont, North Carolina
I believe that replacement springs could be relatively easily made using small clock spring as the stock. Cut and shaped by heating and un-tempering the spring, then re-tempering it after shaping to the correct form. Obviously, an original would be needed to make a pattern...

Someone please post a picture of an original with dimensions...
"The phonograph† is not of any commercial value."
Thomas Alva Edison - Comment to his assistant, Samuel Insull.

"No one needs a Victrola XX, a Perfected Graphophone Type G, or whatever you call those noisy things."
My Wife


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 Post subject: Re: Meltrope II Spring or Springs wanted
PostPosted: Sun Jan 10, 2021 4:08 pm 
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Victor O
Joined: Thu Oct 11, 2018 11:11 am
Posts: 57
Location: Westcliff-on-Sea. UK.
Curt,
Can you please tell me the procedure and colours to achieve when de temering / re tempering as I would like to have a go.
the dimensions from my sole spring are very badly described on the attached.
Jerry


Attachments:
20210110_194706.jpg
20210110_194706.jpg [ 1.77 MiB | Viewed 110 times ]
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 Post subject: Re: Meltrope II Spring or Springs wanted
PostPosted: Sun Jan 10, 2021 6:07 pm 
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Victor Monarch Special
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Needle Tins are Addictive
Joined: Fri Jul 09, 2010 8:32 pm
Posts: 5149
Location: Belmont, North Carolina
To un-temper spring steel, heat it to red hot with a propane torch, then let it cool by itself. To re-temper, heat it to red hot and immediately drop it into a small container of motor oil.. This will also "blue" the bare steel, which acts as a rust preventative.

NOTE: I haven't done this in years, so you might want to experiment a little... :roll:
"The phonograph† is not of any commercial value."
Thomas Alva Edison - Comment to his assistant, Samuel Insull.

"No one needs a Victrola XX, a Perfected Graphophone Type G, or whatever you call those noisy things."
My Wife


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