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"The NASTAR(R) Center, the premier commercial space training and research center in the world, has completed the initial phase of a research effort focused on commercial human spaceflight and systems development related to emergency detection and response using an Atlas V flight profile, under a contract with Special Aerospace Service (SAS) on August 16, 2010. SAS used the capabilities of NASTAR Center's unique Space Training Simulator (STS-400) to accurately simulate the ascent G accelerations of an Atlas V rocket in Atlas 402 configuration. Nominal scenarios were performed with three subjects in order to understand crew reaction times. Subjects are medically monitored and tested at NASTAR Center. One subject, Jeff Ashby, is a former NASA Space Shuttle commander."
This was a good beginning; I was able to take notes while the other folks got the joy ride. There is a lot to learn from shuttle but sustained 4 g is hard. Later we examined the controls on a Gemini capsule and think that there is more in common there.
replied to comment from Wayne Hale
| August 30, 2010 9:27 AM
| Reply
What's the g-load on the Falcon-9 launch profile?
Wayne Hale - thanks for sharing that, very interesting information about the g's experienced. So commercial spaceflight may provide a more physical stressful ride than shuttle - closer to Gemini's as mentioned. I would also be interested in a comparison of g loads with what was expected from now defunct Ares I. Probably any future ride will provide a higher g load than STS?
To put this into perspective, a quick web search says of Mercury Redstone 3, "Shepard experienced a maximum g-force of 6 during the booster acceleration phase of the mission and slightly less than 12 on re-entry".
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It'll never happen for real. Atlas V wasn't built by the NASA HSF "mafia", nor funded by Congressional pork.