Author Topic: NASA considers alternatives to its Orion spacecraft  (Read 50659 times)

Offline Rocket Science

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Re: NASA considers alternatives to its Orion spacecraft
« Reply #100 on: 11/21/2016 12:27 pm »
It's hard to rationalize to taxpayers a lot money being spent for little accomplishment...
« Last Edit: 11/22/2016 03:21 pm by Rocket Science »
"The laws of physics are unforgiving"
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Offline Oli

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Re: NASA considers alternatives to its Orion spacecraft
« Reply #101 on: 11/21/2016 01:16 pm »

This footnote is interesting:

Quote
The Design, Development, Test and Evaluation phase of a flight vehicle program typically culminates with development and production of the first vehicle.  For the Orion Program, this phase involves the development of two vehicles and will culminate with development and production of the vehicle that will be used for EM-2. The Production and Operations phase covers vehicles produced for subsequent missions and the Capability Enhancements phase, which includes a relatively small amount of reserve funds, makes modifications to those vehicles.

EM-2 is in 2023 and according to this part of DDTE. So the few Orion flights from then to 2030 come at a cost of $7.8bn. Even if there will be one flight per year from 2024 onwards that's $1.1bn per flight. Significantly more than the HEFT unit cost estimate ($840m).

Offline jgoldader

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Re: NASA considers alternatives to its Orion spacecraft
« Reply #102 on: 11/22/2016 11:51 am »
Is the ECLSS the long pole now for Orion?
Recovering astronomer

Offline woods170

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Re: NASA considers alternatives to its Orion spacecraft
« Reply #103 on: 11/22/2016 03:13 pm »
Is the ECLSS the long pole now for Orion?
Not for EM-1, given that only a very basic ECLSS set-up is required for that unmanned mission. It is however one of the current long poles for EM-2.

Offline Proponent

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Re: NASA considers alternatives to its Orion spacecraft
« Reply #104 on: 03/26/2017 02:11 pm »
It's now been 3 months since responses to the RFI (attached) mentioned in the OP were due (ditto for a similar RFI regarding SLS).  Has there been any activity?  Any sign that this is not dead?

In retrospect, I might have expected the pro-commercial members of the NASA landing team to have picked up on this RFI, but I know of no evidence they did.
« Last Edit: 03/26/2017 02:17 pm by Proponent »

Offline johnn_rocket

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Re: NASA considers alternatives to its Orion spacecraft
« Reply #105 on: 04/21/2017 09:44 pm »
Great question....

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