Re: What was the biggest problem for each of the 2 destroyed US space shuttles?

From: starman (starman_at_tech.net)
Date: 09/24/04 

Date: Fri, 24 Sep 2004 03:27:15 -0400

Derek Lyons wrote:
>
> An interesting example of this can be found in the Thresher accident.
> Prior to Thresher, reactor operating procedures stressed keeping heat
> in the reactor as it was believed that retaining the ability to easily
> restore propulsion was the most important factor in accident recovery.
> That policy may have contributed to Thresher's doom as it placed the
> survival of the reactor over the survival of the crew, and placed the
> crew entirely in the hands of the now known to be flawed emergency
> blow system.
>
> Post Thresher, the procedures were changed to allow the use of that
> heat in an emergency for propulsion and power. The emphasis was
> shifted to placing the survival of the hull and crew over retaining
> the ability to easily restart the reactor. In another Thresher style
> accident, it may or may not make the difference, but the option is
> there.
>
> D.

While we're on the subject of submarines, what is your opinion on the
loss of the 'Scorpion'? Did a torpedo explode?

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