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Thread: Chunky Jens Pind

  1. #1
    Join Date
    Apr 2010
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    35

    Default Chunky Jens Pind

    Hi,

    I would like to make a 'really chunky' jens pind bracelet. I was thinking of using 2.0mm or 2.5mm thickness silver wire. Can anyone tell me what size I would need the rings to be for this thickness wire? I was going to buy the soft wire as it is soo thick.

    Hope you can help!

    Thanks

    Karen

  2. #2
    Join Date
    Jul 2009
    Location
    cotswolds
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    3,383

    Default

    Karen, without trying to teach granny to suck eggs, if you can do jpl, you should know that it needs an AR of between 2.8 and 3.1.

    For 2mm wire, I use rings with an ID of between 5.6 and 6, depending on the temper of the wire - remember it will harden up a lot as you wind it. Make sure they're really tightly wound on your mandrel - too much springback will stop the weave from locking properly. I'd recommend hand cutting these - a KK would struggle with 2mm wire, and it's a lot of wire to make a mistake with. If you want to go up to 2.5mm wire, then an ID of between 7 and 7.25 should work nicely.

    Definitely make a test piece in copper first.

  3. #3
    Join Date
    Apr 2010
    Posts
    35

    Default

    Hi George,

    Thank you! I know....slap my wrists I need to get my head around the maths of AR. I've tried reading up on it more than a few times but it's like a foreign language, lol. I know I need to learn it because it's important for different weaves.

    Thank you for your help I will definitely do a test piece in copper.

    Karen

    p.s George can I ask a question. I noticed you make a triple colour copper jens pind. It looks gorgeous! I have two copper variations. The standard copper colour and tinned copper. I did a search but couldn't find another 'natural' copper colour. Can I be cheeky and ask what the third copper is?
    Last edited by Karenl; 12-06-2010 at 04:24 PM.

  4. #4
    Join Date
    Jul 2009
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    cotswolds
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    AR's much less complicated than it's sometimes made to sound - especially if you're working in mm wire gauges. It's simply the relationship between the width of the wire and the inner diameter of the rings you use.

    So for example, a byzantine weave, which needs an AR of 3.5 would work like this:

    For 1mm wire, you need 3.5mm id rings - 1(mm wire) x 3.5(AR) = 3.5 (mm ID)
    so 1.2mm wire would need (1.2 x 3.5) = 4.2mm ID rings
    and 1.5mm wire would need (1.5 x 3.5) = 5.25mm ID rings

    Provided you know the AR of a given weave, you can just multiply that by the gauge of the wire to get the right size ID to wind your coils. The ID is generally assumed to refer to the mandrel size used rather than the actual ring size - so if you're using wire with a lot of springback, like hard silver or metals like stainless steel or titanium, you may need to adjust the mandrel size slightly to ensure the ID doesn't get too big - hence the convention of usually giving an AR range for a weave, referring to it's tightest through loosest tolerances.

  5. #5
    Join Date
    Apr 2010
    Posts
    35

    Default

    Hi George,

    Thanks for explaining the AR in plain English. I understand now Duh! It seemed allot more complicated from the links I was reading. I'm going to print this out so I can't forget.

    Thanks George. You're a star!

    Karen

  6. #6
    Join Date
    Apr 2010
    Posts
    35

    Default

    Hi,

    I just wanted to update you on my chunky jens pind bracelet. I bought some copper 2mm wire and practiced using 6mm and 6.25mm rings. I found the 6mm were far too tight and didn't allow the bracelet to bend at all! I settled for 6.25mm and I'm really pleased with my final bracelet.

    Thanks for your advise I'm really pleased I experimented with copper first to get it right.

    Karen

  7. #7
    Join Date
    Mar 2010
    Location
    Birmingham England
    Posts
    96

    Default

    It would be great to see a picture Karen

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