16-12-2008, 07:33
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חבר מתאריך: 01.08.05
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שמיכות טרמיות לצוותי המפציצים.
לא ברור לי בשביל מה צריכים הצוותים של המפציצים שמיכות טרמיות מיוחדות.
ואיך הם הסתדרו עד עכשיו זה לא היה בסדר?
Thermal Curtains Will Offer Protection To Aircrews
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B-52 Stratofortress by Staff Writers
Tinker AFB OK (SPX) Dec 16, 2008
Engineers here are designing a product to protect Boeing B-52 Stratofortress aircrews from a nuclear attack's blinding light. Designed by the 540th Aircraft Sustainment Squadron's B-52 Communications Navigation and Weapons Flight, prototypes for the "thermal curtains" will be ready sometime in December. Final versions of the curtains are scheduled to be completed by October 2009.
According to flight chief William Plasters, the design is elegant in its simplicity.
"The new design is simple, quick to install, and can be removed easily to perform maintenance, or when not required," he said.
Resembling automobile windshield sunshades, the thermal curtains are about 1/10th of an inch thick, 40 to 50 inches long, by 30 inches tall, depending on the size of its respective window. Each curtain is made up of three material layers - a reflective layer, a stiffener and a rubberized vinyl cloth.
When the B-52 is not releasing a nuclear bomb or in close proximity to a detonating nuclear bomb, the curtains are not needed and each curtain can be removed and stored in its storage bag. When packed, the bag could weigh up to 30 pounds.
A set consists of seven shades and will cost about $2,500 per set. Benefits coincide with Air Force responsibilities.
"The nuclear mission is becoming more and more important and this is one of the things that completes the mission, while keeping an aircrew safe should [an aircrew] have to do a mission with nuclear weapons," said Matt Yost, structural engineer for the flight.
If there is no imminent danger, Mr. Yost said the curtains should only be used for training purposes, which occurs twice a year. But, aircrews and maintenance personnel are actually using the curtains daily in warm weather, as sunshades, causing the curtains to wear sooner than expected.
To prevent the new curtains from early deterioration, officials suggest aircrews use fabric sunshades to keep the cockpit cool and only use the thermal curtains when necessary. Fabric sunshades cost less than $300 per set and one set covers 13 windows. Prototypes of these sunshades will be sent in December to the active squadrons for testing.
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"בניתי לי בית ונטעתי לי גן במקום זה שביקש האויב לגרשנו ממנו בניתי את ביתי, כנגד מקום המקדש בניתיו. כדי להעלות על ליבי תמיד את בית מחמדנו החרב...."
(ש"י עגנון - חתן פרס נובל)
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