File:IU-501 From Below.jpg
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原始檔案 （2,377 × 3,000 像素，檔案大小：6.93 MB，MIME 類型：image/jpeg）
摘要
| 描述 |
English: This photograph was taken during the final assembly operation of the Saturn V launch vehicle for the Apollo 4 (SA 501) mission. The instrument unit (IU) was hoisted to be mated to the S-IC/S-II assembly in the Vehicle Assembly Building high bay at the Kennedy Space Center. Note that the access door has been removed (about 8 o'clock), to allow technicians to enter the IU after it is stacked. The access door is location 8. Location 7 is to the right, with the nitrogen purge ducts (used during refueling to prevent the buildup of dangerous fumes). Location 6 has the silver cylinder that is the water accumulator. (This water sublimated to space during a mission, providing cooling for the elctronics in the IU.) To the right, at locations 5 and 4 are shelves to hold batteries. This differs from the configuration for IU-514, on display at the NASM. IU-514 has the water accumulator at location 3, to the right of the battery shelves. At the right (4 o'clock), at location 22, is the silver sphere holding the nitrogen supply for the gyro gas bearings. IU-514 also differs in having another battery shelf at location 24, two places to the left of the nitrogen sphere. Note the −X marking on the side facing us (12 o'clock), indicating that the old coordinate system was in use for this mission. |
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| 來源 | Marshall Image Exchange (image link) |
| 作者 | NASA |
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本作品由NASA創作，屬於公有領域。根據NASA的版權政策：“NASA的創作除非另有聲明否則不受版權保護。”（參見：Template:PD-USGov/zh，NASA版權政策或JPL圖像使用政策） |  |
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原始上傳日誌
Transferred from en.wikipedia to Commons.
The original description page was here. All following user names refer to en.wikipedia.
| 日期/時間 | 尺寸 | 用戶 |
|---|---|---|
| 11:39, 18 June 2007 | 2,377 × 3,000 (7,267,090 bytes) | w:en:EdgarDurbin (對話 | 貢獻) |
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| 日期/時間 | 縮圖 | 尺寸 | 用戶 | 備註 | |
|---|---|---|---|---|---|
| 目前 | 2008年3月27日 (四) 04:30 | | 2,377 × 3,000（6.93 MB） | File Upload Bot (Magnus Manske) | {{BotMoveToCommons|en.wikipedia}} {{Information |Description={{en|IU-501 from below in the VAB. Note that the access door has been removed (about 8 o?clock), to allow technicians to enter the IU after it is stacked. The access door is location 8. Locat |
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