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[STATUS] - July 2018 (Update July 30th, 7:15pm AEST)

🕑 Added 2018-07-10 08:53:33 +0000 UTC

Comments

Clickspring

I like your thinking Charles - the counter of course is that there is a square on the other end of the part, as well as many elsewhere in the machine, but its good to keep an open mind about what was actually done and why - Cheers mate :)

Charles Newstead

Hi Chris, I'm way behind, catching up, sorry. Maybe it's been suggested, but a pentagonal hole is the smallest number of sides where each side can be filed without worrying about the file edge catching the adjacent side. If their files weren't perfect right angles at the edges, or if the ones that were, were rare and expensive, maybe easier to file a close fit non-circular hole with obtuse angles at the corners. If you've already considered and dismissed this sorry.

Chris Talbot

Cheers mate. Great to see your subs/patrons continuing to increase too by the way! Always nice to see others also appreciating your work, I've heard several shout outs to you on the tubes.

Clickspring

Spot on with your numbers Chris :) Yes this part of the mechanism is completely blowing my mind - so much to talk about in the next vid :)

Chris Talbot

Argh, I keep forgetting to check the page for updates... the flipside being I get to look at all this stuff at once. :) Love it when you show a bit of peen'n'polish, it's still like magic to me. You're getting down to a ridiculously fine level of precision for a home machine shop now, and it's obvious that these ancient timepieces were as much art as engineering... I cannot wait to see how you turned up the pentagon drive boss and that ludicrously complex coaxial assembly. The pin-and-slot mechanism is incredible too... what's the stroke length of the pin? By eye and with a poor sense of scale, the slot looks to be no more than 5-6mm long and the pin is travelling about two thirds of that? Amazing stuff, can't wait for next episode... get on with it man!! ;D EDIT: Wait, I think you answered this in the post... ~1mm offset equals about 2mm of travel through one rotation? I see what you mean when you say it would likely be unnoticeable to the casual observer... :)

Clickspring

In the next Ep - lots of incredible stuff, truly amazing how close the clearances need to be for this to all work out.

Kevin Reardon

Taper and a slot? Really? What segment was that in? That's major.

Stefan

In my experience a good way to learn a new CAD-software is to design a project with it. Every time you encounter a problem you will learn a new feature by reading or watching a tutorial.

Josh Schofield

Thanks Chris! I'll definitely be using that student discount.

Clickspring

Hey Josh, I used these tutorials and highly recommend: <a href="https://solidwize.com/" rel="nofollow noopener" target="_blank">https://solidwize.com/</a> They are top notch, and will get you up to speed very quickly - Cheers :)

Josh Schofield

Hi Chris, I'm starting to learn how to use SolidWorks for uni, and I was wondering if you know of where to learn good practices and where to find some good tutorials, or even what you used to get proficient.

Clickspring

Sorted!

Sam Oldman

Just got my fire piston ... gotta be ready for when the Zombie Apocalypse hits!

Sean Kirby

Maybe a pentagon has some symbolic or ritual significance? One of the Platonic solids is composed of pentagons (dodecahedron ). Or it might be the 'trademark' of the particular maker? Made by The Pentagon Guy, sort of thing.

Clickspring

Ha ha! Thank you Sam, terrific to have you on board mate :)

Sam Oldman

Just dropping in to say I have been binge watching Clickspring videos (again) this weekend hoping to get my fix in. The wait for the next Antikythera is too much to bear ... I just had to become a patron so that I could get in on that sweet, sweet sundial action too. Cheers from Tennessee, USA!

Graeme Brumfitt

Hi Chris, I can imagine it takes a massive amount of your time to plan out and execute all the wonderfull shots you put into your vids and then edit for best content, and speaking for myself... you are the muts nuts. Thanks for your time . G

Clickspring

Yes that's a good one to have

Clickspring

Hay Ralph, a good starting list is in the post text below this video: <a href="https://www.patreon.com/posts/tools-glorious-4-15834910">https://www.patreon.com/posts/tools-glorious-4-15834910</a> - Cheers :)

Clickspring

Hey Graeme, I'd guess about a day to make the parts and then pull it into an assembly - of course it takes me much longer to figure out and shoot :)

Ralph McCoy

Model Engineers Workshop Manual (Past Masters Series) was this one of them ??

Ralph McCoy

Chris, What were the names of the books you recommended for starting out, as far as machines go ?

Graeme Brumfitt

Hi Chris, Love the stills can't wait to see the vid. Just out of curiosity how long did it take and how long do you think it would have taken to machine the part, all the best mate G.

Jim Porter

For modern equivalents, see Concorde or the moon landings.

Ben Fousek

Can't wait to watch it!!!

Clickspring

I hope for that too - even just a small addition to the record to clear up some of the unknowns.

Glenn Trewitt

I _so much_ want someone to find where the A.M. originated so we could understand something - anything - about the technological ecosystem that had to exist for such a thing to be built. But there's nothing in the archeological record that _demonstrates_ this level of mechanical expertise/fabrication. There are a few hints - see Wikipedia, but they're just documents that describe treasure looted by the Romans. Sigh. It's as if the fabricators appeared from nowhere and were then buried by a volcanic eruption. Or that some mischevious aliens have played a fantastic joke on us.

Clifton Ballad

Awesome work, Can't wait!

Clickspring

Me too!

Clickspring

Cheers mate :)

James Cromwell

Well, if you think about it, they did have some things we think of as modern. They had a steam engine (Hero's Engine) and they had batteries/capacitors in the form of Leyden Jars. I suspect the everyday use of things like that came down to a combination of material science (being able to build something of scale that didn't cost a fortune) and finding a way to use this new thing as something other than a curiosity.

Phil Sydor

Thanks - I am getting confused.... Sorry.

adcurtin

Phil, this is for AM, the antikithera mechanism, for which episode 8 is not out yet. The device with cycloidal teeth is the byzantine sundial calendar.

James Cromwell

Lovely piece Chris! This entire series and the byzantine sundial are really changing what I think of the ancient makers and what they could do.

Phil Sydor

Excellent videos, thank you! Ref part 8 and your comment, I am confused.... the last video showed the gears being fitted as cycloidal, was that to test the fit? (Part 8, 13 Min 09 onwards)