Category Archives: Uncategorized

Tesla Semi is reasonable, part 1

Tesla finally unveiled their semi truck: tesla.com/semi/ An electric monster with 4 Model 3 motors, one for each drive wheel, with an astounding 500 mile range (beating most people’s expectations). Fully loaded (i.e. 80,000 lbs total), it can accelerate from … Continue reading

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A View on the Alternatives

In the post on the architecture that Doug Plata proposes for the Lunar development, I likely appear as a naysayer as I picked on the┬ásections that I disagreed with or thought that there was a better way forward. Not surprisingly, … Continue reading

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An Opinion on an Architecture

Doug Plata has a new website at spacedevelopment.org with a concept for sustainable Lunar development. He sent me the link and suggested I look it over. I read it through the first time as a plan and promptly (in my … Continue reading

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A Flat Earther

I had a new experience tonight. A woman I went out with a few times a year or so back got in touch and we went out for dinner. Somewhere in the middle of the dinner she mentioned that she … Continue reading

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The Fate of the Falcons

At some point it seems that SpaceX plans to retire the Falcon series in favor of the BFR (series?). For a fully developed and productive launch system to be retired due to improvements within the company line there must be … Continue reading

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Falcon Heavy Skepticism

The long anticipated Falcon Heavy should fly towards the end of this year. Many people seem to believe that this launcher is going to be the answer to the PorkLauncher, big private payloads, launch costs, reliability, and all the other … Continue reading

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Roton as Booster/LES/Shroud Recovery

This idea has been kicked around in pieces before, though I think this particular combination may be unique. Mount a Roton blade system on top of the shroud of a standard launch vehicle. Power it up before launch such that … Continue reading

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A Possible LEO Clearing Market

One of the growing concerns is the amount of small debris in LEO. The big stuff can be tracked and mostly avoided, but the small stuff is a more difficult proposition. A hundred gram shard at some LEO closing velocities … Continue reading

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Failed Visions (mine)

I just read that XCOR laid off its’ remaining employees with a few core people kept on contract. This is another shot against the vision that I have blogged and commented about many times. The concept being that sub-orbital RLVs … Continue reading

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Mars Barges

One of the incredible mentions in the Elon Mars concept was a thousand spacecraft in orbit ready for the Mars launch window to open. I’m not sure how many launch windows down the road this would be, I assume several … Continue reading

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