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Science

muriel_volestrangler

(105,430 posts)

6. I looked up what the speed of Apollo was before they deployed the drogue parachute

Reply to phantom power (Reply #2)

Fri May 30, 2014, 05:27 PM

May 2014

and, though NASA doesn't seem to be specific, calculations show it was probably under 250 mph - I was surprised it was that low (I thought it would be dropping like a rock). So I guess it doesn't take that much fuel after all - though their "can land as precisely as a helicopter" must mean they start some rockets well before for steering, rather than just simple slowing down.

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SpaceX unveil 'no runway' Dragon V2 space capsule (BBC) [View all] eppur_se_muova May 2014 OP

Interesting... Wounded Bear May 2014 #1

it sheds most of its velocity on re-entry phantom power May 2014 #2

I looked up what the speed of Apollo was before they deployed the drogue parachute muriel_volestrangler May 2014 #6

It's amazing. 10 kilometers per *second* down to moderate airplane speed, in minutes. phantom power May 2014 #7

It's basically replacing the parachute caraher May 2014 #3

Flash Gordon has been doing that for decades sailfla May 2014 #4

Truly, there is nothing new under the Sun. nt eppur_se_muova May 2014 #5