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More Flights of SLS Block 1



 
 
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Old April 14th 18, 09:40 AM posted to sci.space.policy
Fred J. McCall[_3_]
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Default More Flights of SLS Block 1

NASA is apparently having problem with their new upper stage and is
now planning on flying at least the next three missions on the
original SLS Block 1 hardware. Current estimates say the new upper
stage won't be ready until at least the mid-2020's.

This means a couple of things.

1) NASA is talking about flying three missions and using 12 of their
small stock of Shuttle engines on missions that don't really further
their plans. Block 1 hardware with Ares on it is about 9 tonnes short
in payload, which means none of the Lunar Gateway deployment can
happen.

2) They could just as easily fly those missions on something like
Falcon Heavy and save a lot of money (and those engines).

By the time they get the new upper stage ready, they'll need funding
for a new contract to produce more engines so that Block 1B can fly.


--
"The reasonable man adapts himself to the world; the unreasonable
man persists in trying to adapt the world to himself. Therefore,
all progress depends on the unreasonable man."
--George Bernard Shaw
 




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