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  Topic: Another new ancient weave for the library.
lorenzo

Replies: 5
Views: 151

PostForum: Weaves Discussion   Posted: Thu May 23, 2019 3:05 pm   Subject: Another new ancient weave for the library.
Yeah, those are bar rings, that's pretty typical for eastern mail. Bar rings and split rings are used more or less interchangeably for normal rings.
  Topic: Another new ancient weave for the library.
lorenzo

Replies: 5
Views: 151

PostForum: Weaves Discussion   Posted: Wed May 08, 2019 8:45 pm   Subject: Another new ancient weave for the library.
Yep that looks like the right one, thanks. I guess we're just waiting for Narrina to add the information then. Maybe I should send a PM about it.
  Topic: Another new ancient weave for the library.
lorenzo

Replies: 5
Views: 151

PostForum: Weaves Discussion   Posted: Mon May 06, 2019 10:47 pm   Subject: Another new ancient weave for the library.
It's a very unusual piece. Definitely a J4-1 variant.

https://www.alamy.com/stock-photo-a-buddhist-devotee-spreading-a-heavy-chain-mail-coat-which-was-made-76996563.html
  Topic: Strongest Weave
lorenzo

Replies: 47
Views: 12046

PostForum: Knitting Circle   Posted: Tue Apr 30, 2019 8:33 pm   Subject: Strongest Weave
I think the shrinkage is predictable enough for many purposes but yeah those are not likely going to be precision gears.
  Topic: Strongest Weave
lorenzo

Replies: 47
Views: 12046

PostForum: Knitting Circle   Posted: Fri Apr 26, 2019 4:43 pm   Subject: Strongest Weave
That seems unlikely, 3D printing is still not an efficient process compared to traditional manufacturing. There are also serious design limitations with green sintered parts and the final product is n ...
  Topic: Update on Mars InSight maille.
lorenzo

Replies: 10
Views: 1082

PostForum: Knitting Circle   Posted: Mon Mar 04, 2019 5:35 pm   Subject: Update on Mars InSight maille.
No, NASA insisted on grade 5 titanium, all welded. The scales are milspec hard anodize aluminum so there won't be any issues with corrosion.

The landing area is a sedimentary plains, so the dust s ...
  Topic: Update on Mars InSight maille.
lorenzo

Replies: 10
Views: 1082

PostForum: Knitting Circle   Posted: Fri Mar 01, 2019 4:56 pm   Subject: Update on Mars InSight maille.
Lol. Thanks.

It's theoretically possible that Mars will survive the death of the sun in five billion years or so. So I guess that piece of maille could exist until the end of the universe, however ...
  Topic: Update on Mars InSight maille.
lorenzo

Replies: 10
Views: 1082

PostForum: Knitting Circle   Posted: Mon Feb 25, 2019 7:46 pm   Subject: Update on Mars InSight maille.
Just another quick update the component that the maille is protecting was deployed onto the surface of Mars earlier this month. Here's a link to an article and picture of it on Mars.

https://www.sp ...
  Topic: "Barefoot shoes"
lorenzo

Replies: 2
Views: 397

PostForum: Knitting Circle   Posted: Wed Feb 20, 2019 7:30 pm   Subject: "Barefoot shoes"
It's not as easy to make a good pair of maille shoes as you seem to think it is. They need to be strong, flexible and lightweight. Very small rings are necessary to prevent foot punctures. I don't bel ...
  Topic: Update on Mars InSight maille.
lorenzo

Replies: 10
Views: 1082

PostForum: Knitting Circle   Posted: Thu Nov 29, 2018 7:07 pm   Subject: Update on Mars InSight maille.
Hey guys, thanks for the congratulations! The landing was successful, so it's officially on Mars now!

It's an awesome feeling to have a type of armor I invented and a piece built with my own hands ...
  Topic: Update on Mars InSight maille.
lorenzo

Replies: 10
Views: 1082

PostForum: Knitting Circle   Posted: Wed Nov 14, 2018 6:41 pm   Subject: Update on Mars InSight maille.
Hello everyone! Long time, no post. I've been way too busy.

I'm getting pretty excited to have the first piece of maille and scale armor to reach another planet. The lander that our maille is on is ...
  Topic: Historical riveted maille from scratch: Riveting issues
lorenzo

Replies: 14
Views: 3588

PostForum: Knitting Circle   Posted: Fri Mar 18, 2016 4:28 pm   Subject: Historical riveted maille from scratch: Riveting issues
Using a pin punch is a good idea, it's likely to be good tough tool steel. I would probably temper it down a bit just to be sure it doesn't break, having a nice smooth polished finish on the tool will ...
  Topic: Historical riveted maille from scratch: Riveting issues
lorenzo

Replies: 14
Views: 3588

PostForum: Knitting Circle   Posted: Thu Mar 17, 2016 11:28 pm   Subject: Historical riveted maille from scratch: Riveting issues
Okay, the drift looks bad. The surface of the taper needs to be polished and the draft angle of the hole should be less than 5 degrees for pin rivets.

A long taper on a small drift isn't very prac ...
  Topic: Anodizing titanium
lorenzo

Replies: 4
Views: 3139

PostForum: Knitting Circle   Posted: Tue Mar 15, 2016 7:40 am   Subject: Anodizing titanium
If my understanding of the chemistry is correct the concept is to replace an acid etch with a hot salt etch. So instead of hydrofluoric acid(HF) you can use the much safer alternative of sodium fluori ...
  Topic: Argon Shielding Titanium Welds
lorenzo

Replies: 15
Views: 4386

PostForum: Knitting Circle   Posted: Sat Feb 27, 2016 11:43 am   Subject: Argon Shielding Titanium Welds
Lots of good advice in this thread, I have a couple more things to add.

Solenoid valves work great. Mine have cut gas usage by 90%. Since we do a lot of welding the cost really adds up.

I like ...
 
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