A kerosene-fueled X-33 as a single stage to orbit vehicle.
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From: Robert Clark on 8 Apr 2010 13:04 On Apr 8, 12:23 pm, "Greg D. Moore \(Strider\)" <mooregr_delet3t...(a)greenms.com> wrote: > Robert Clark wrote: > > On Apr 7, 12:42 am, hcobb <henry.c...(a)gmail.com> wrote: > >> The fix is to get your air launched rocket into space, but not into > >> orbit. > > >> It's a Virgin Galactic style shot that just clears the atmosphere at > >> roughly zero velocity. > > >> Then bring in stream of tiny impactors at 60 km/s to power an > >> ablative rocket and off you go. > > >> At 60 km/s these impactors have 400 times the energy their mass in > >> TNT would provide so this is far more energetic than any chemical > >> rocket could manage. > > >> Where do you get the 60 km/s? Simply launch the micro-impactors clear > >> of the Earth and have them slingshot around the Earth a half dozen > >> times to flip the planes of their orbits around until they're > >> counterorbital with respect to the Earth and you double Earth's > >> roughly 30 km/s orbital speed for the impact. > > >> -HJC > > > Please don't give anyone any ideas about hypersonic bb's in orbit > > counter rotating to manned craft and satellites. > > > Bob Clark > > Wow, you know your idea must be really out there when Robert pooh-poohs it. > > -- > Greg Moore I'm commenting on its technical feasibility. What I'm saying is that it is now becoming clear that we will soon have routine low cost space access, by SSTO's or TSTO's. What we should be focusing on now are means to prevent such vehicles from being used for destructive purposes. We should not be looking at means of creating more destructive weapons. We should be studying methods of creating defenses against the weapons we have now. At this stage of human development we should regard the desire to create more destructive weapons like we now regard human sacrifice or cannibalism. Bob Clark
From: Robert Clark on 8 Apr 2010 13:06 On Apr 8, 1:04 pm, Robert Clark <rgregorycl...(a)yahoo.com> wrote: > > > > Please don't give anyone any ideas about hypersonic bb's in orbit > > > counter rotating to manned craft and satellites. > > > > Bob Clark > > > Wow, you know your idea must be really out there when Robert pooh-poohs it. > > > -- > > Greg Moore > > I'm commenting on its technical feasibility. > > > Bob Clark That is, I'm NOT commenting on its technical feasibility. Bob Clark
From: Pat Flannery on 8 Apr 2010 17:41 On 4/8/2010 8:23 AM, Greg D. Moore (Strider) wrote: >> Please don't give anyone any ideas about hypersonic bb's in orbit >> counter rotating to manned craft and satellites. >> >> Bob Clark > > Wow, you know your idea must be really out there when Robert pooh-poohs it. That was just what I was thinking...now, if we can get William Mook to say it sounds crazy... :-D I still like the spheres that are going to modify their orbit via solar sail techniques. Of all the shapes you could pick, a sphere is the _very worst_, as the solar push is the same on it no matter what its orientation. Maybe it's supposed to be half mirrored and half black. ....and there's a nanotechnology radio receiver and gyro in it driven by the temperature differential between the two halves to align it correctly...and...and... Pat
From: Pat Flannery on 8 Apr 2010 17:48 On 4/8/2010 8:25 AM, Greg D. Moore (Strider) wrote: > > Wait, let me get this straight. You're converting the potential energy of > the BBs into kinetic energy at the armor plate? > > And how do the BBs get all this potential energy in the first place? Haven't you been following this? They get their potential energy via gravitational slingshot effects as they orbit Earth and use solar sail techniques to slowly shift their orbits through 180 degrees till they are going in the reverse direction from the way they started. It's very straightforward once you don't think about it. ;-) Pat
From: Robert Clark on 8 Apr 2010 15:20
On Apr 8, 5:41 pm, Pat Flannery <flan...(a)daktel.com> wrote: > On 4/8/2010 8:23 AM, Greg D. Moore (Strider) wrote: > > >> Please don't give anyone any ideas about hypersonic bb's in orbit > >> counter rotating to manned craft and satellites. > > >> Bob Clark > > > Wow, you know your idea must be really out there when Robert pooh-poohs it. > > That was just what I was thinking...now, if we can get William Mook to > say it sounds crazy... :-D > I still like the spheres that are going to modify their orbit via solar > sail techniques. > Of all the shapes you could pick, a sphere is the _very worst_, as the > solar push is the same on it no matter what its orientation. > Maybe it's supposed to be half mirrored and half black. > ...and there's a nanotechnology radio receiver and gyro in it driven by > the temperature differential between the two halves to align it > correctly...and...and... > > Pat I don't know if it is crazy, nor do I care. The discussion should be regarded as comparable to discussing which spices best bring out the flavors of human. Bob Clark |