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Category Archives: Transportation
SpaceX Did It – What It Should Do Next
Congratulations to SpaceX who landed the first stage intact. Assuming cost is roughly related to stage mass and engine count, reusing the first stage saves 9/10 of the whole rocket cost. If they can run the stage ten times, that … Continue reading
Posted in Architecture, Depot, Design, engines, industry, Launchers, Lunar, RLV:s, Spacecraft, SpaceX, Transportation
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Skysails
These ram air kites by Skysails power flying in a figure eight circuit can develop power and also work as ship propulsion. Ideas like this have probably been toyed by many, it’s nice to see some execution. The biggest current product is … Continue reading
Posted in airplane, Energy, Transportation
Tagged kite, ship propulsion, skysail, wind power
3 Comments
Elon Musk’s Hyperloop
What is it? A new mode of transportation that’s supposed to be very fast like Concorde, on ground level and requires no rails. What could it be? Dylan thinks it’s a tube mail system. Jacques thinks so as well, and says … Continue reading
Winter Bicycling in Style
http://kristakeltanenblog.com/2012/02/winter-tweed-run-helsinki-2012/ …
Posted in Photography, Transportation
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Three kinds of hybrids
The next fifteen years. Pure Electric – will be marginal Battery energy density will probably be lousy and they will be expensive so that pure electric cars can’t fill that many needs in the next fifteen years. What kind of … Continue reading
Posted in Climate, Design, Energy, engines, industry, Motivation, Thorium, Transportation, Uncategorized
6 Comments
Tomorrow is theirs
A fascinating BOAC (British government airline) advertisement film from the fifties. Tomorrow was not theirs, but that of plastics, the jet engine and the transistor, which made almost all of these jobs obsolete. The British mindset of bringing luxurious services … Continue reading
Posted in airplane, Architecture, industry, Launchers, Motivation, Transportation
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Semi-homebuilt ramjet blog thing
At http://www.appliedthermalsciences.com/blog/ATSVB0026.html
Posted in airplane, Homebuilt, RLV:s, Transportation
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21st Century Jet – Making The Boeing 777
The movie’s available on Google Video, embedded above. Enjoy!
Posted in airplane, Architecture, Art, Design, engines, industry, RLV:s, Transportation
Tagged 777, Boeing, Video
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Why Do Bike Lights Have Batteries
They could very easily be pedal powered, requiring no charging or battery changes ever. Old dynamos resisted pedaling because of the old lamp technology, and the lamps also burned out often. No more. This seems to be a nice diagram, … Continue reading
Posted in Homebuilt, industry, Transportation, Uncategorized
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