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  Topic: Regarding angles in E4-1
lorenzo

Replies: 4
Views: 1416

PostForum: Articles Discussion   Posted: Tue Mar 17, 2020 6:55 pm   Subject: Regarding angles in E4-1
The article is accurate for e4-1 at mid stretch. If you were to stretch a loose AR piece fully open the angle does approach 90 degrees but that's not practical for most applications. Similarly if you ...
  Topic: Help with solid/welded rings
lorenzo

Replies: 3
Views: 51

PostForum: Knitting Circle   Posted: Tue Mar 17, 2020 6:30 pm   Subject: Help with solid/welded rings
There are some available from TRL but it's not a great selection. If those don't suit your needs then you'll probably have to custom order some. I don't know if TRL still does custom orders but you co ...
  Topic: Mastering european contraction/expansion/circles
lorenzo

Replies: 15
Views: 212

PostForum: Knitting Circle   Posted: Sat Feb 29, 2020 7:23 pm   Subject: Mastering european contraction/expansion/circles

I had thought of a method similar to this, it does make the most sense if I want a round and not pointy end of the finger. But I fail to comprehend how can one just seamlessly stitch the sides, spec ...
  Topic: RPI, or calculate ring size from length and number of rows?
lorenzo

Replies: 10
Views: 161

PostForum: Knitting Circle   Posted: Thu Feb 27, 2020 10:43 pm   Subject: RPI, or calculate ring size from length and number of rows?
Cool, you should probably read up on calculus if you want to pursue the model further. You can do it with straight algebra and geo-trig but it's easier if you know how to derive a function.

BTW, mo ...
  Topic: Mastering european contraction/expansion/circles
lorenzo

Replies: 15
Views: 212

PostForum: Knitting Circle   Posted: Thu Feb 27, 2020 10:29 pm   Subject: Mastering european contraction/expansion/circles
The exact tip design I currently use is a trade secret, I'm not at liberty to share it.

I can share the industry standard design with you though, it s not quite as good but much easier to manufactu ...
  Topic: 18 years.
lorenzo

Replies: 3
Views: 151

PostForum: Chat   Posted: Wed Feb 26, 2020 11:18 pm   Subject: 18 years.
I just realized that's how old this website is now. Happy birthday M.A.I.L.!
  Topic: micromaille - laucquering pliers?
lorenzo

Replies: 14
Views: 1186

PostForum: Knitting Circle   Posted: Wed Feb 26, 2020 11:17 pm   Subject: micromaille - laucquering pliers?
The tips are rubbery but they don't last very long. It's quite easy to re-dip them but it does take a while to dry. Your rubber tape may be a better solution.

I'm certain that there are similar pro ...
  Topic: RPI, or calculate ring size from length and number of rows?
lorenzo

Replies: 10
Views: 161

PostForum: Knitting Circle   Posted: Wed Feb 26, 2020 10:07 pm   Subject: RPI, or calculate ring size from length and number of rows?
That's a good model, it'll work for smaller stuff that's stretched the direction you want for sure.

The main shortcomings here are that you assume perfect toroid rings and one point of contact betw ...
  Topic: Mastering european contraction/expansion/circles
lorenzo

Replies: 15
Views: 212

PostForum: Knitting Circle   Posted: Wed Feb 26, 2020 9:47 pm   Subject: Mastering european contraction/expansion/circles
I almost forgot, I've found the best way to connect the Persian ring to the European sock is with Japanese style connector rings. Use as small an ID as possible without them binding up.
  Topic: Mastering european contraction/expansion/circles
lorenzo

Replies: 15
Views: 212

PostForum: Knitting Circle   Posted: Wed Feb 26, 2020 9:42 pm   Subject: Mastering european contraction/expansion/circles
There's a picture of how I do the fingertips on my gloves in the gallery, it's a bit complicated until you get used to it.

https://www.mailleartisans.org/gallery/gallerydisplay.php?key=5887

I'm ...
  Topic: RPI, or calculate ring size from length and number of rows?
lorenzo

Replies: 10
Views: 161

PostForum: Knitting Circle   Posted: Tue Feb 25, 2020 6:50 pm   Subject: RPI, or calculate ring size from length and number of rows?
The full equation is serious math and you likely will not get it.

I browsed through a proof that an engineer I've worked with made for FEA models and it's about 30 pages of equations that were far ...
  Topic: Mastering european contraction/expansion/circles
lorenzo

Replies: 15
Views: 212

PostForum: Knitting Circle   Posted: Tue Feb 25, 2020 5:58 pm   Subject: Mastering european contraction/expansion/circles
The best way to do this in my experience is to first build a fairly sturdy structural ring that fits you snugly. HP3-1 is great for this. Springy rings are your friends here.

Then you build a sock ...
  Topic: Polishing and Tarnish cleaning your mail.
lorenzo

Replies: 3
Views: 173

PostForum: Knitting Circle   Posted: Thu Jan 23, 2020 10:02 pm   Subject: Polishing and Tarnish cleaning your mail.
Tumblers work great for polishing, they're the industry standard for bulk parts and you can get a mirror finish if you put the time in.
  Topic: Cutting rings with a flex shaft
lorenzo

Replies: 16
Views: 503

PostForum: Knitting Circle   Posted: Fri Jan 10, 2020 8:33 pm   Subject: Cutting rings with a flex shaft
The masking tape is probably a bad idea, the adhesive will clog the saw teeth and shorten the blade life, the paper has abrasive mineral fillers that cause extra wear. Try running beeswax over the coi ...
  Topic: Cutting rings with a flex shaft
lorenzo

Replies: 16
Views: 503

PostForum: Knitting Circle   Posted: Sun Dec 29, 2019 8:19 pm   Subject: Cutting rings with a flex shaft
There are already many threads, pictures and articles on this site describing v-block or angle iron guides for saw cutting.

Here are links to some in the gallery to get you started in your research ...
 
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