Space/Science — HabitableZone

Space/Science » in reply to re: Look what is done elsewhere

Some Progress M vehicles carried a return canister (image included)

I don't think they use it anymore, but some of the Progress M vehicles had a reentry capsule to return materials from Mir. Progress M-5, M-9, M-20, and M-23 carried the capsule.

Spacecraft Module: Progress M VBK. Other Designations: Vozbrashchaemaya ballisticheskaya kapsula. Class: Manned. Type: Spacecraft Module. Purpose: Ballistic landing capsule - return of experimental materials from Mir space station.

The capsule was brought to the station aboard a Progress M freighter. It was loaded by the cosmonauts aboard the station, then reinstalled in the Progress M. The Progress M would make retrofire over Africa, a delta-V of 150 m/s at 350 km altitude. The VBK wuld seperate from the Progress at an altitude of 110 to 130 km, then re-enter seperately over Soviet territory. Landing accuracy was plus-minus 125 km along the orbital trace, and plus-minus 15 km to either side of the orbital trace. At an altitude of 11 to 17 km, a drogue parachute would deploy, a chaff cloud would be jettisoned, and the homing beacon would begin transmitting. The main parachute woud deploy at 3 to 4.5 km altitude, allowing the capsule to drift down at 8 m/s to a landing on the steppes. It was anticipated it would take only 3 hours between seperation of the Progress and receipt of the payload at the cosmodrome.

In practice the VBK had a rather poor recovery record, and was felt to take up too much valuable payload space and mass within the Progress.


http://www.astronautix.com/graphics/p/procapka.jpg

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