Talk:Rocket sled

Is anyone of the impression that a dummy and not Strapp is in the chair in the picture? I found the following on Wikipedia's article on Murphy's Law: "Initial tests used a humanoid crash test dummy strapped to a seat on the sled, but subsequent tests were performed by John Paul Stapp." Philolexica 23:42, 30 May 2006 (UTC)Reply

i don't think a dummy would be able to stay in that position under acceleration —Preceding unsigned comment added by 69.125.110.223 (talk) 20:04, 17 January 2008 (UTC)Reply

Bearing edit

Latest comment: 15 years ago1 comment1 person in discussion

None of the references I've found say that the slippers employ an air bearing. It seems to be just a plain bearing in fact.

See: http://www.marsroverblog.com/dyn/reply/59210/93

Sounds like they just paint it with a 'lubricating' paint and it skips along the track.

I did find some research for air bearings for this, but it doesn't sound like it panned out.- (User) Wolfkeeper (Talk) 01:14, 3 January 2009 (UTC)Reply

Table edit

Latest comment: 8 years ago1 comment1 person in discussion

What is wrong with the last row? Seems illogical to me.--Bigbossfarin (talk) 09:04, 20 April 2016 (UTC)Reply

External links modified (January 2018) edit

Latest comment: 6 years ago1 comment1 person in discussion

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John Paul Stapp, mach 8.5? edit

Latest comment: 1 year ago1 comment1 person in discussion

John Paul Stapp, mach 8.5? I my great nephew is John Paul Stapp's Great great nephew. And I was looking up some history. I'm familiar with Stapp's name because I am friends with Joe Kittinger who worked and sweated with him back in the day, and Joe gave me the book and I couldn't put it down.

so now that young James Stapp is about six years old I thought I'd start looking up some things about his great great uncle. And I came across this claim of mach 8.5 which is 8 1/2 times the speed of sound at sea level is about 7000+ mph . I don't remember the exact speed of sound at sea level, I know it's 700 and something but I do know that nobody went 7000 mph anywhere but space. so I'm gonna guess the decimal point's in the wrong place and it was mach .85 and, I don't know what the actual number is. and I can't reach Joe at this moment, and I don't have access to my book , I just thought I would call this to attention.

And as I am not sure of the actual record he set, I'm not going to edit it by just moving the decimal point and then turns out that it's not .85 at all, so I will leave editing up to Wikipedia peeps, thank you,

Laurel (just the facts) Nichols. lol 73.46.156.152 (talk) 02:02, 6 June 2022 (UTC)Reply

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