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Author Topic: Guitar Strings.  (Read 29551 times)

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Offline BR549

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Re: Guitar Strings.
« Reply #10 on: January 03, 2015, 11:59:28 AM »
Do you have a tensioner on the wrap wire ??

When you get a complete set wound send them over for a good testing (;-)  I am due for a new set here .

(;-) TP

Offline Tweakie.CNC

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Re: Guitar Strings.
« Reply #11 on: January 03, 2015, 12:33:20 PM »
Hi Terry,

The test rig just has a felt pad friction type of tensioner for the wrap wire - it works but it is crude and only suitable for testing.
I am not yet sure of the benefits but measuring the wrap wire tension as close as possible to the actual wrap seems to be favored so I am currently working on an electronic device which uses a rotating version of the conventional 'dancer' to measure the actual tension in a feed-back loop to a disc brake on the wrap wire spool. This will be fully adjustable, for the different wrap wire diameters, and provide 100% repeatable results - assuming it works.

The full size machine has just gone through it's third rebuild but I think it is going to be a long way off before it will be winding a full set of strings.  ;D

Tweakie.
Success consists of going from failure to failure without loss of enthusiasm.  Winston Churchill.

Offline Chaoticone

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Re: Guitar Strings.
« Reply #12 on: January 03, 2015, 01:19:08 PM »
That machine is just like you Tweakie............... very cool!  8)

Brett
;D If you could see the things I have in my head, you would be laughing too. ;D

My guard dog is not what you need to worry about!

Offline Tweakie.CNC

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Re: Guitar Strings.
« Reply #13 on: January 07, 2015, 02:38:53 AM »
Tests have now been carried out with various wires and these have 0.006”, 0.013” and 0.020” diameter phosphor bronze wraps.

Still learning as I go.  :D

Tweakie. 
Success consists of going from failure to failure without loss of enthusiasm.  Winston Churchill.
Re: Guitar Strings.
« Reply #14 on: April 01, 2015, 02:45:54 PM »
So have you completed a set? How do they sound? Have a video to post? Nosy little bugger, ain't I?

Offline BR549

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Re: Guitar Strings.
« Reply #15 on: April 01, 2015, 11:00:40 PM »
Have Guitar, can test  8). I think you bought those at the store >:D

Good Job Tweakie, You make us proud  (;-) TP

Offline Tweakie.CNC

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Re: Guitar Strings.
« Reply #16 on: April 02, 2015, 02:32:02 AM »
Thanks for the kind words guys.

The machine is currently awaiting new stepper drivers which will operate at a higher voltage and tests have shown that this will hopefully (32 x sq. rt. of inductance and all that) double the winding speed.

The significant difference (visually) between these 'custom strings' and 'store bought strings' is that they are finished both ends to a defined length. This initially caused problems as the actual number of turns of wrap can differ considerably from the theoretical (calculated) number but, on the plus side, it can use a round, cross section, music wire core instead of the hex / oct sections usually used.

Development of the machine and the controlling software will no doubt continue way into the future (a bit like a CNC machine never being totally finished) and when the time is right I will try to get some video's made of it in action.

Tweakie.
Success consists of going from failure to failure without loss of enthusiasm.  Winston Churchill.

Offline BR549

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Re: Guitar Strings.
« Reply #17 on: April 02, 2015, 05:10:34 PM »
The reasoning  behind the Hex/Oct core wire is to help keep the wrapping wire from unwinding under tension and changing the tonal qualities. 

Just a thought (;-) TP

Offline Tweakie.CNC

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Re: Guitar Strings.
« Reply #18 on: April 03, 2015, 02:45:38 AM »
The reasoning  behind the Hex/Oct core wire is to help keep the wrapping wire from unwinding under tension and changing the tonal qualities. 

Just a thought (;-) TP

Quite right Terry.  ;)

Tweakie.
Success consists of going from failure to failure without loss of enthusiasm.  Winston Churchill.

Offline BR549

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Re: Guitar Strings.
« Reply #19 on: April 15, 2015, 07:15:09 PM »
HEY Tweakie I popped an A string could ya wind me one up ?  I used medium light.

(;-) TP