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WatchTech: Wonderful work!

I've been following all the posts, and hadn't been able to get purists' site to work on my older browsers until now for comments. Haven't had time to update, I use an older build of linux, a serious pain in the rear to update. I had so many detailed questions to ask throughout the build, I feel I wo
3Y
By: Ophiuchus
0

WatchTech: Ahh, makes sense

So that little hole in the pipe coming off of the center of the equation cam meets one of 8 holes underneath drilled into the cam itself, around it's shaft, where you can quick insert a pin to lock the equation mechanism into one of the 8 equal or extreme points of the equation. Once it is locked, y
4Y
By: Ophiuchus
1

WatchTech: That makes sense

It's a bit difficult to make out all the details exactly from the picture, as zooming in on pins and such just gets blurry, but the explanation, coupled with what I can make out, and my knowledge of this type of equation mechanism from Daniel's books, especially The Art Of Breguet, makes sense. Than
4Y
By: Ophiuchus
0

WatchTech: Awesome work

You've posted 7 times- and this is only your 7th? And you come here to show us this? Bravo sir. It may be rough- but you can always finish more. You've done more than most have now. I thought of a 6497 the second I saw this. I see I wasn't wrong. You had solid carbide gear cutters made- I don't know
4Y
By: Ophiuchus
1

WatchTech: Setting up the equation wheel

Is it difficult for David to set up the equation wheel? With this style of equation mechanism, from my knowledge, the most complex, I know the positioning of the quadrants on the equation gear dictates how far ahead or behind the solar hand will be from the mean hand. What I was wondering is, since
4Y
By: Ophiuchus
1

WatchTech: The jeweling...

Does David make his own jewels from scratch, or buy premade? I like that he uses clear sapphires instead of ruby. From a functional perspective, it's easier to see when one is oiled, or needs cleaning. Also easier to restore in the inevitable future, where the jewels wear out. Color matching somethi
4Y
By: Ophiuchus
0

WatchTech: David, beautiful jig borer

I am very envious- that is a really incredible setup you have. That's basically as good as it gets. While items of that caliber are rare, and thus very expensive- in general, I have seen many jig borers of small size sell for fractions of what they would have cost before CNC took off. If you know wh
4Y
By: Ophiuchus
0

WatchTech: Is that a ruby tipped follower...

...on the equation kidney? I think it is. I have thought of trying that myself eventually, when I get a chance to make equation works someday. I see yet another "1st" has already been done by someone else. Not disappointed- it must have been a good idea if David actually did it. It looks rounded, bu
4Y
By: Ophiuchus
1

WatchTech: Very nice use of a Leitz jig borer

I would love to know what model David uses. Those are hard to find. I wonder- if using a jig borer, why use endmills and drills- every hole cut with multiple tooth cutters theoretically has some runout- or at least, wouldn't be as geometrically round as a bored hole. Why not finish the holes all wit
4Y
By: Ophiuchus
1

WatchTech: Beautiful pillars

Beautiful pillars there. Nice touch to see them all turned of the same rod, very concentric. May I ask of David, what alloys of brass and steel do you prefer for your work here? I'd love to try using some Sandvik Finemac steel for some of my work, mainly I use O-1. Finemac is something I saw in Paul
4Y
By: Ophiuchus
1