Re: Shuttle landing path

From: Woodchuk (
Date: Thu Jul 21 2011 - 23:28:33 UTC

  • Next message: Fred Valcho: "Re: Shuttle landing path"

    On 21/07/2011 4:00 PM, George Roberts wrote:
    > Wow, rick, nice find!  To summarize the above thread there are 2 more
    > reasons why ascending is better.
    > 1) Noctilucent clouds are more prominent further north and nasa was
    > concerned about the ice particles possibly causing damage at mach 25
    > although it sounds like further research has deemed it safe for the shuttle
    > but nasa probably didn't feel a strong need to change their policy.
    > 2) More fuel is needed for descending path or alternatively higher insertion
    > angle accuracy is needed.
    Also wouldn't initial contact with the atmosphere occur at a higher altitude when 
    nearer the Equator because of the increase in the pressure gradiant at lower altitudes.
    Larry wood
    Seesat-l mailing list

    This archive was generated by hypermail 2b29 : Thu Jul 21 2011 - 23:54:57 UTC