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Space Forum / Shuttle / April 2008



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Falcon 9 data updated

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Alan Erskine - 10 Apr 2008 16:36 GMT
http://www.spacex.com/falcon9.php Includes a "Data Sheet", but still no
Payload Users Guide.

Payload has gone up to 11, 290kg from 9,900kg.

Still no dimensions or weights for the Dragon though. {|-\
Alan Erskine - 10 Apr 2008 16:37 GMT
> http://www.spacex.com/falcon9.php Includes a "Data Sheet", but still no
> Payload Users Guide.
>
> Payload has gone up to 11, 290kg from 9,900kg.
>
> Still no dimensions or weights for the Dragon though. {|-\

Sorry; meant to add that the F9H will have a payload of 29,610kg LEO.
Interesting....
Damon Hill - 10 Apr 2008 19:29 GMT
> http://www.spacex.com/falcon9.php Includes a "Data Sheet", but still
> no Payload Users Guide.
>
> Payload has gone up to 11, 290kg from 9,900kg.

Note the Merlin 1e engine thrust is up to 125 Klbs/sea level.
This has resulted in the stretched Falcon 1e, which has about
double the payload and certainly hasn't hurt the Falcon 9
performance.  :)  The Falcon 9 Neavy will be over 3.3 million
lbs/thrust on 27(!) of those engines.  That'll be a serious
show at liftoff.

Wonder how much the Merlin can be uprated before SpaceX has
to go to a clean sheet?  SpaceX is planning a very much larger
engine in the F-1 class at some time in the future.  A 200
Klbs engine could greatly simplify the Falcon 9 to a Falcon 5
with no loss of performance.

USAF and Aerojet are discussing accelerated development of an
all-new reusable staged-combustion hydrocarbon engine to replace
the RD-180 (but they've always been talking about such an engine--
little significant hardware development has resulted).

http://www.aviationweek.com/aw/generic/story_channel.jsp?channel=busav&id
=news/REUSE04108.xml&show=us

--Damon
Alan Erskine - 11 Apr 2008 01:59 GMT
> > http://www.spacex.com/falcon9.php Includes a "Data Sheet", but still
> > no Payload Users Guide.
[quoted text clipped - 23 lines]
>
> --Damon

It's going to get interesting for companies like Boeing and LocMart too -
their launch vehicles are going to be too expensive for anyone to use.  If
Falcon 9 and F9H can show their reliability and demonstrate low costs, then
the Big Two will have to get their fingers out and design new launch
vehicles in a similar manner to F9/F9H.  There's no reason why the guvmnt
couldn't use the SpaceX LV's to launch classified projects and space probes.

I'm starting to look very favourably towards SpaceX; I think they've got the
right vehicles at the right time.  I agree with you that it would be good to
get a more powerful engine than the Merlin on the F9/F9H, but SpaceX claim
'engine-out-at-launch' capability that might affect reliability if there
were fewer engines.

The next two or three years will be very interesting; very interesting
indeed! :-)
charliexmurphy@yahoo.com - 11 Apr 2008 02:21 GMT
> > >http://www.spacex.com/falcon9.phpIncludes a "Data Sheet", but still
> > > no Payload Users Guide.
[quoted text clipped - 29 lines]
> the Big Two will have to get their fingers out and design new launch
> vehicles in a similar manner to F9/F9H.

There is no need to redesign the Atlas  and Delta.  Spacex's costs
will rise to meet ULA's when they find how many manhours it takes to
maintain >96% launch success rate.
charliexmurphy@yahoo.com - 10 Apr 2008 22:45 GMT
> http://www.spacex.com/falcon9.phpIncludes a "Data Sheet", but still no
> Payload Users Guide.
>
> Payload has gone up to 11, 290kg from 9,900kg.

It says for the block II
 
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