RE: Progress Undocking

From: Jacob, Michael (MJacob@seic.com)
Date: Thu Nov 02 2000 - 13:28:03 PST

Next message: Bram Dorreman: "Re: CoSaTrak Observations"

Previous message: Alan Pickup: "#26539 re-entry - observer's report"
Maybe in reply to: Jonathan T Wojack: "Progress Undocking"
Next in thread: Cees Bassa: "RE: Progress Undocking"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

How big are those Progress modules, maybe the Shuttle could bring them back
occasionally when it's going back empty?

Mike

> -----Original Message-----
> From: Cees Bassa [mailto:c.g.bassa@phys.uu.nl]
> Sent: Thursday, November 02, 2000 4:19 PM
> To: SeeSat-L@blackadder.lmsal.com
> Subject: Re: Progress Undocking
> 
> 
> At 20:54 2-11-00 , you wrote:
> >I'm not saying that using Progress supply ships don't make 
> sense, or that
> >I am against using them.  I just think that using them just once, and
> >then destroying them isn't the wisest thing.  Personally, I would
> >investigate putting a better computer system, more 
> durability (such as
> >heat/thermal shields and a stronger structure), and perhaps a few
> >modifications on the propulsion system in an attempt at making it
> >reusable.  Just like the Space Shuttle Orbiter isn't just 
> used once, why
> >not investigate at making the cargo ships be able to be used 
> more than
> >once?  Certainly with some modifications you could enable a Progress
> >supply ship to be able to land with remote control, and that 
> the costs
> >needed to get it ready for another flight would be less than 
> the cost of
> >building a whole new one?  Or maybe Russia doesn't want to look long
> >term?
> 
> First, designing and building a new, reusable vehicle would 
> cost a small 
> fortune, and
> second, a reusable vehicle would probably carry less supplies 
> because it 
> also has to
> feature heatshields and such. Finally Russia would like to 
> see it getting 
> launched with
> Soyuz launch vehicles. This is probably why they have chosen 
> for Progress: 
> a modification
> of the Soyuz manned vehicles getting launched with the same 
> launcher with less
> redesigning to do.
> 
> Regards,
>          Cees Bassa
> 
> -----------------------------------------------------------------
> Unsubscribe from SeeSat-L by sending a message with 'unsubscribe'
> in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org
> http://www2.satellite.eu.org/seesat/seesatindex.html
> 

-----------------------------------------------------------------
Unsubscribe from SeeSat-L by sending a message with 'unsubscribe'
in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org
http://www2.satellite.eu.org/seesat/seesatindex.html

Next message: Bram Dorreman: "Re: CoSaTrak Observations"
Previous message: Alan Pickup: "#26539 re-entry - observer's report"
Maybe in reply to: Jonathan T Wojack: "Progress Undocking"
Next in thread: Cees Bassa: "RE: Progress Undocking"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

This archive was generated by hypermail 2b29 : Thu Nov 02 2000 - 13:54:24 PST