Re: Delta IV-H under performance

From: Bruce MacDonald (
Date: Wed Dec 22 2004 - 13:15:48 EST

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    > No doubt, all gathered data will lead to full success soon.
    Funnily enough, they did not mention anything about under-performance of the
    CBCs during the webcast yesterday evening.  Surely the telemetry would have
    indicated this during the launch?
    I may be naive in saying this, but I always thought that hydrogen burns with
    no visible flame.  For example, the flames from the Hindenburg airship
    explosion were from the fuel for the engines, not the gas-bags.  Perhaps
    pressurised LH2 behaves differently.
    Best wishes
    Bruce MacDonald
    COSPAR Site 2751
    Devizes, Wiltshire, UK
    51.3440 N 1.9849 W 125m (WGS84)
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