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Author
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Topic: Soyuz descent module parachutes
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Lou Chinal
Member Posts: 1306
From: Staten Island, NY
Registered: Jun 2007
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posted 09-28-2008 08:35 PM
   
I'm sure it's printed somewhere but I just can't put my hand on it. How big is the Soyuz main parachute (diameter in feet)? The reserve chute? The altitude normality deployed at? What is the rate of descent (without the retro rockets)?Thanks in advance. -Lou |
cspg
Member Posts: 6210
From: Geneva, Switzerland
Registered: May 2006
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posted 09-28-2008 11:50 PM
NASA: Soyuz Landing Four parachutes, deployed 15 minutes before landing, dramatically slow the vehicle's rate of descent. Two pilot parachutes are the first to be released, and a drogue chute attached to the second one follows immediately after. The drogue, measuring 24 square meters (258 square feet) in area, slows the rate of descent from 755 feet per second to 262 feet per second.The main parachute is the last to emerge. It is the largest chute, with a surface area of 10,764 square feet. Its harnesses shift the vehicle's attitude to a 30-degree angle relative to the ground, dissipating heat, and then shift it again to a straight vertical descent prior to landing. Chris. | |
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