Omega Speedmaster Professional Legendary Moonwatch Tarihçesi

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Re: Omega Speedmaster Professional Legendary Moonwatch Tarih

Mesaj Tgm » 28 Haz 2017, 15:03

Alıntıdır.

Beginning in about 1962, NASA purchased a series of chronographs of different brands including Breitling, Longines, Omega, Rolex and others with the task of finding the best watch available for their astronauts to wear in space.

When NASA received the watches, they were subjected to a series of tests and pre-selection processes called the “Qualification Test Procedures”. Only three watches out of six chronographs successfully survived this arduous pre-selection phase. The finalists were then subjected to 11 different tests - the most rigorous trials endured in the history of horology:
1. High temperature: 48 hours at a temperature of 160°F (71°C) followed by 30 minutes at 200°F (93°C).
2. Low temperature: 4 hours at a temperature of 0°F (-18°C).
3. Temperature-Pressure: 15 cycles of heating to 71°C for 45 minutes, followed by cooling to -18°C for 45 minutes at 10−6 atm.
4. Relative humidity: 240 hours at temperatures varying between 68°F and 160°F (20°C and 71°C) in a relative humidity of at least 95%.
5. Oxygen atmosphere: 48 hours in an atmosphere of 100% oxygen at a pressure of 0.35 atm.
6. Shock: Six shocks of 40 G, each 11 milliseconds in duration, in six different directions.
7. Acceleration: From 1 G to 7.25 G within 333 seconds, along an axis parallel to the longitudinal spacecraft axis.
8. Decompression: 90 minutes in a vacuum of 10-6 atm at a temperature of 160°F (71°C) and 30 minutes at 200°F (93°C).
9. High pressure: 1.6 atm for a minimum period of one hour.
10. Vibration: Three cycles of 30 minutes vibration varying from 5 to 2000 Hz.
11. Acoustic noise: 130 db over a frequency range of 40 to 10,000 Hz, duration 30 minutes.

On March 1, 1965, the test results were completed and only the Omega Speedmaster passed. At the time, NASA’s testers wrote, "Operational and environmental tests of the three selected chronographs have been completed; and, as a result of the test, Omega chronographs have been calibrated and issued to three members of the Gemini Titan III crews."
"I'm gonna make him an offer he can't refuse."
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Tgm
 
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Re: Omega Speedmaster Professional Legendary Moonwatch Tarih

Mesaj maiii » 29 Haz 2017, 01:21

Tarihsel bilgiler için teşekkürler. Çok güzel bir konu olmuş
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maiii
 
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Kayıt: 11 Eki 2012, 23:48

Re: Omega Speedmaster Professional Legendary Moonwatch Tarih

Mesaj crimson75 » 30 Haz 2017, 17:15

Harika inceleme olmuş, elinize sağlık :champ:
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crimson75
 
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Re: Omega Speedmaster Professional Legendary Moonwatch Tarih

Mesaj fiz334 » 30 Haz 2017, 19:25

Resim
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fiz334
 
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Re: Omega Speedmaster Professional Legendary Moonwatch Tarih

Mesaj gozdentunay » 15 Haz 2018, 04:51

Tolga bey şimdi okumak nasip oldu mükemmel bir yazı olmuş tüm Tsf dostları adına size teşekkür ederim[emoji4][emoji106]


Tapatalk kullanarak iPhone aracılığıyla gönderildi
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gozdentunay
 
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Kayıt: 24 Kas 2017, 10:58

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