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#11
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Could Dragon have been built 20 years sooner?
On 26/05/2012 11:10 AM, bob haller wrote:
will this success defund the planned orion manned launcher? Hopefully. |
#12
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Could Dragon have been built 20 years sooner?
On May 26, 1:35*am, Alan Erskine wrote:
On 26/05/2012 11:10 AM, bob haller wrote: will this success defund the planned orion manned launcher? Hopefully. me too Orion is a pure pork piggie Instead nasa could use dragon to get people to LEO, for far travels a dragon derived mini station. berth several dragons together launched seperately, add a dedicated propulsion stage and go explore. a perfect use for transhab... the exploration crew could travel in a spacious mini station, for a fraction of orions cost........ |
#13
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Could Dragon have been built 20 years sooner?
"bob haller" wrote in message news:b12e1d69-1446-458b-
... was the breakthru just a awesome idea? or breakthus in materials engines etc that made it possible? Obviously yes. Very little has changed in rocketry in over 40, maybe even 50 years. Only computers have become smaller and more powerful, but in materials and propulsion technology nothing is used in Falcon 9 / Dragon that wasn't available in the 1970's, although it might have been more expensive. |
#14
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Could Dragon have been built 20 years sooner?
Anonymous submitted this idea :
"bob haller" wrote in message news:b12e1d69-1446-458b- ... was the breakthru just a awesome idea? or breakthus in materials engines etc that made it possible? Obviously yes. Very little has changed in rocketry in over 40, maybe even 50 years. Only computers have become smaller and more powerful, but in materials and propulsion technology nothing is used in Falcon 9 / Dragon that wasn't available in the 1970's, although it might have been more expensive. Are you sure it wasn't that the design and fabrication techniques that were developed since the '70s. Computer evolution isn't just the modules that go in the GNC, it's also the tools that sit on Mr Findley's desk. And Merlin was reported to heavily leverage several advanced engine design studies. /dps -- Who, me? And what lacuna? |
#15
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Could Dragon have been built 20 years sooner?
On 28/05/2012 6:42 AM, Anonymous wrote:
"bob wrote in message news:b12e1d69-1446-458b- ... was the breakthru just a awesome idea? or breakthus in materials engines etc that made it possible? Obviously yes. Very little has changed in rocketry in over 40, maybe even 50 years. Only computers have become smaller and more powerful, but in materials and propulsion technology nothing is used in Falcon 9 / Dragon that wasn't available in the 1970's, although it might have been more expensive. Only cowards hide behind anonymous remailers |
#16
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Could Dragon have been built 20 years sooner?
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#18
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Could Dragon have been built 20 years sooner?
Jeff Findley writes:
Even LOX/kerosene engines were still "more expensive" when SpaceX started up, which is why they developed their own engines instead of buying them "off the shelf". But I see not fundamental reason why a start up like SpaceX couldn't have built and flown a Falcon 9 in the 70's. But it would have taken someone like Musk to do it. Someone with deep enough pockets and the vision to take on NASA head to head. Well, friction-stir welding was invented in 1991. Al-Li alloys weren't available in the 70's. Then there's a lot of automated manufacturing, rapid prototyping etc. that was not at all available in the 70's. While I agree that there are very few totally new things, there are lots of small new things that helped here. A lot. And I somehow doubt that modern computers, software, communication etc. didn't play a role in keeping SpaceX small and fast. You could have done this with what was common in the 70s, but you'd need more people, more money, more time, more room, more stuff being handed and sent around... Jochem -- "A designer knows he has arrived at perfection not when there is no longer anything to add, but when there is no longer anything to take away." - Antoine de Saint-Exupery |
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Could Dragon have been built 20 years sooner?
On May 25, 3:33*pm, bob haller wrote:
was the breakthru just a awesome idea? or breakthus in materials engines etc that made it possible? Yes, the Falcon 9 and Dragon could have been built even 30 years ago. There is nothing particularly innovative about their engines or stages. They both use methods known about since the 1970's. Bob Clark |
#20
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Could Dragon have been built 20 years sooner?
"Robert Clark" wrote: bob haller wrote: was the breakthru just a awesome idea? or breakthus in materials engines etc that made it possible? Bob Clark wrote: Yes, the Falcon 9 and Dragon could have been built even 30 years ago. There is nothing particularly innovative about their engines or stages. They both use methods known about since the 1970's. hanson wrote: Yeah, there are very few new material/tech novos. It's still all old Penemuende Nazi Rocket Technology, AND... if you guys have ever done any biz with NASA or worked there, it should be clear to you that the breakthrough for Space-X etc is their MO NOT to bloat themselves with nepotistic, corrupt and bizarre bureaucracies which do exist in NASA & & other Govt Agencies, & especially in EPA. |
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