re:RS-68

Space/Science » in reply to Why is the cargo launch vehicle so much bigger?

re:RS-68

Raoul — 6/7/2006 7:04:58 PM (archived)

Because they won't use the Space Shuttle main engines but those of the Delta IV, the RS-68.
And as those engines are less powerful than the SSME's, they'll need 5 at the basis, incresing the first stage diameter.
The RS-68 are far cheaper to operate than the SSME's.

The whole thread (12 posts)

Past and future vehicles in scale - Raoul - 6/6/2006 6:35:43 PM
- Source? - SDF - 6/7/2006 7:02:39 AM
  - re: Source - Raoul - 6/7/2006 3:45:30 PM
    - I haven't been following this for a while - SDF - 6/7/2006 4:01:57 PM
      - re: Saturn 5 Apollo - Shuttle - Crew Launch Vehicle - Cargo Launch Vehicle (n/t) - Raoul - 6/7/2006 4:11:53 PM
        
        Why is the cargo launch vehicle so much bigger? (n/t) - SDF - 6/7/2006 4:19:16 PM
        
        re: Also because it's the vehicle to take a future LM to the Moon - Raoul - 6/7/2006 7:08:25 PM
        
        Interesting solution - SDF - 6/7/2006 7:21:43 PM
        
        re: Cargo only - Raoul - 6/7/2006 7:32:07 PM
        
        Won't the heavy lifter be capable of being fitted with four SRBs? (n/t) - Lee - 6/8/2006 5:30:12 AM
        
        re: If so, the launchpad must be adapted from the start (n/t) - Raoul - 6/8/2006 5:40:51 AM
        
        re:RS-68 - Raoul - 6/7/2006 7:04:58 PM

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