At 06:23 PM 1/5/2003 -0500, you wrote:
We used foam like that in the manned lander, but the purpose of this test was to find out how many G's was uncomfortable for a well-supported pilot. Foam under the pilot would have reduced the G loads, and we just would have had to drop him from higher up. :-)Would a layer of softer memory foam (Tempur-pedic type) make a difference to those drop tests? Little more self-molding, and might add a little give at the right time. Also, for the biprop, flammability starts to be a concern - looks like there are specialty fire resistant foams - http://www.kbe.dk/english/uk-main.htm - that might serve double duty.
The crushable nosecone should bring the G loads on every part of the vehicle down to an acceptable level, because we want to save the electronics and other gear as well as the pilot.
John Carmack
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