JF Mezei wrote:

On 2016-12-09 09:00, bob haller wrote:

just look at the orion with SLS total cost over 1 billion just for the booster, the total time involved. and its not sustinable,


If one were to take the costs of developping Saturn V and adjust for
inflation, how would it compare against cost of SLS ?


Saturn V was much more expensive. It was also more expensive on an
incremental launch cost basis. These numbers are NOT hard to find.
Why did you ask rather than looking it up yourself?

SATURN V SLS
Development $41.5 B $7-$35B
Launch $710 M $500 M

The reason for the variability in SLS development cost is based on
when you stop counting. Stop at first launch (5 years) and it's the
lower number. Follow it all the way out to 2024 and Phase 2
development (11 years) and it's the higher number.


The boosters may have inherited from the shuttle boosters, but did their
extension require enough work that they are mroe new than just extended
shuttle ones ?


You should consider SLS as pretty much all new. They're starting with
existing Shuttle engines, but they'll shift to redesigned ones in
pretty short order. The solids aren't the same as used by the
Shuttle.


And with regards to Orion, would its development be on par with the
Apollo capsule (again, inflation ajusted) or way more ?


Apollo capsule development was almost $37 billion (2016 dollars).
Orion will be just under $18 billion when all is said and done in
2021. Orion is significantly cheaper and is a larger and more capable
capsule. It has its own engine, 50% longer duration, and 25% larger
crew. In addition, the Orion capsule (but not the Service Module) is
reusable.

Again, these numbers are not difficult to find.


--
"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