Xref: utzoo sci.space:6985 sci.space.shuttle:1208
Newsgroups: sci.space,sci.space.shuttle
Path: utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: Re: space news from Aug 15 AW&ST
Message-ID: <1988Sep14.180104.22177@utzoo.uucp>
Organization: U of Toronto Zoology
References: <1988Sep12.032459.25617@utzoo.uucp> <5163@fluke.COM>
Date: Wed, 14 Sep 88 18:01:04 GMT

In article <5163@fluke.COM> mce@tc.fluke.COM (Brian McElhinney) writes:
>	1) How much does a single SSME cost?  They can't be cheap!

It depends on what assumptions you make, but no, they are not cheap.

>	2) What was the intended number of flights per SSME?

I think they started out hoping for 50.  Then they scaled it back to 20.
Now it's 10.

>	3) Does NASA's latest budget include the costs of a new SSME
>	   every ten flights?

Three new SSMEs every ten flights, actually.  I don't know whether it's
explicitly in the budget, but with all the trouble they've been having
with the SSMEs, I would expect so.
-- 
NASA is into artificial        |     Henry Spencer at U of Toronto Zoology
stupidity.  - Jerry Pournelle  | uunet!attcan!utzoo!henry henry@zoo.toronto.edu