Now looking at it, it looks particularly simple (and as always, some work has already been completed), but in reality it was a lot of work and a lot of. His process I simply surinkinėjimo final stage again and I put what was removing mechanism 40 times ... if not more.
I tried to made a very artistic photo: D. But it became clear to me that my skills and available equipment that is not possible, since the plexi (ie the windscreen, which in this case is made of organic glass (pleksiglaso)) madly atspindžiuoja (even when using polarizing filters) - for the rest of the pictures much simpler .
From the (my interest in watch construction) beginning I knew that I would ever do "big pilot" marina yachting (Big Pilot), a real Beobachtungsuhr (more about what it is B-uhr, such as can be found here ... very lazy already taught all history, so pasakykim only that it was a special instrument for aircraft navigator marina yachting and because it was a very large (and the work was worn on the thigh :))) - 55mm in diameter. So I bought a case (in fact the entire clock with an automatic mechanism in Chinese) and I started to think, what has been continued. If the body (relatively - see. Below) was not an issue, a mechanism - yes. But unfortunately not very much pocket watch size (ie, ~ 36 - 43mm diameter) with the central mechanisms second. In fact they can be said not at all, at least for realistic prices - they occur very rarely and usually marina yachting for dearly.
The most popular (and cheapest) marina yachting is a 3608 Soviet (ie Molnija modification mechanism with the central second), but with a diameter of only 36.6mm. Given the size of the shell (which, as mentioned above is 55mm, and the size of the dial, the maximum possible mechanism diameter is 48mm) I wanted something more.
Why? Because the original was Beobachtungsuhr big for a reason - they have been used in large machines with indirect second (Eng. Indirect second; ie central second driven through additional pinion (it is visible from above)). Five of the original B-uhr producers used 18 - 22 lines * mechanisms:
One can say that I was lucky, after a long search for a reasonable price I found a watch sold from MIG fighter fotopatrankos (ie a special camera used for training (simulation fighting) time instead of real guns). The clock should be integrated from the MiG-15 or MiG-17th
This watch uses a modified Soviet Typ-1 mechanism. marina yachting Typ-1 was the first in the Soviet Union was to produce marina yachting (at least in industrial quantities) mechanism. Production was launched in 1930. This mechanism is the basis of the latest version has been created with the central second (as discussed mechanism) and even the chronograph.
Mechanism of the story is quite interesting (and if you're interested, highly recommend reckoned site http://hampdenwatches.blogspot.com/). A few words after the October Revolution, the USSR did not watch manufacturing (and watches are absolute necessity for transport and industry both then and now), and the Soviets took to find possible solutions to this problem. Just at that moment went bankrupt American marina yachting watch manufacturing company Dueber-Hampden. The Soviets took advantage of the moment and bought the whole production equipment (can be said that practically the whole plant), so the Soviet Typ-1 is essentially Dueber Hampden-5 model mechanism, but with much more utilitarian finish (although more suitable marina yachting word finish) and certainly not made in pursuance of such high quality standards.
This mechanism with the central one second has 16 rubies chaton'uose ** - Typ-1 successive mechanisms have been without chaton'ų (as seen in the photo). marina yachting The date mechanism is not specified (though usually with this type of mechanism is formed) on the body indicated marina yachting 4-58, but given that the CS conversion, as I understand, it was done for the "finished" mechanisms, the mechanism is likely to have been produced in even earlier. Another interesting thing in terms of this particular mechanism is that it is made Chistopol gamykloj - all other Typ-1 with the central second of which I have seen, has been producing Zlatoust (it should marina yachting be noted that the baseline (non-CS) Typ-1 was to produce (at least ) in four factories marina yachting watch: Moscow 1st and 2nd, Zlatoust and Chistopol).
The mechanism is an American size 16 (size 16s - Americans used their own mechanisms for the measuring system, which does not coincide with šveicariškom / prancūziškom the lines), which is converted into lines and approximately 19 lines - very good size B-uhr mechanism in my head;). Here is a picture for comparison with the above mechanism 3608th
But that is precisely what is the biggest problem with this mechanism - it big. Not only is its diameter is large (in the case of the Corps who do not trouble), but the mechanism is the thickness including dial all 10 millimeters. While the internal height of the Corps 'only' ~ 7,8mm (what would otherwise be a really significant). Moreover roller screw (tige) height (ie the distance from the center of his ciferb
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