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Category Archives: Uncategorized
Testing, Testing
The previous video blog post about Technical difficulties might have contained a forewarning… Anyway, testing some theme things with wordpress on my own domain now. Bike Lights (With Annoying Music!)
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Music: Racer X – Technical Difficulties
http://www.youtube.com/watch?v=ES1RypBww_g Paul Gilbert’s made a nice song here and plays it well. The production might be better, but I like the melodies and the joyfulness.
Can I have Linux with that?
Apple’s Iphone, the various Google Android phones by Samsung, HTC and probably others, and Nokia’s Symbian phones are fighting on the smart phone market. As far as I know, Iphone is “closed” and you can only download those apps that … Continue reading
Random video blogging
[youtube=http://www.youtube.com/watch?v=DA0Vwausybg] Modern manufacturing technologies enable strange shapes and could produce unconventional pumps. What is good for small scale rockets if turbines and centrifugal pumps have too much tip losses? [youtube=http://www.youtube.com/watch?v=SdBr-dkLf4s] Rotary engines have vastly better power to weight ratios and … Continue reading
Posted in airplane, engines, Motivation, RLV:s, Uncategorized
Tagged CNC, Cyclone, Parajet, Paramotor, Positive Displacement, Pump, Rotron, Viscotec
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On Pressure Fed Rockets and Scaling
Well, scaling seems to be my pet issue. I recently wrote something not entirely well reasoned in a comment at Paul Breed’s. (For some reason Chrome complains about blogrolling.com malware there so continue if you’re sure you’re safe.) So let’s … Continue reading
Posted in Architecture, Design, engines, Launchers, RLV:s, Spacecraft, Suborbital, Uncategorized
Tagged base area, characteristic length, exhaust velocity, isp, nozzle exit, pressure fed, thrust
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New Energy Production Processes – A Technical Lecture Series
There’s a free lecture series (it’s also a course but attendance is open) at HUT Aalto University about new energy technologies, organized by a friend of mine who works at the lab there. Here’s the lecture program (they will be … Continue reading
Posted in Climate, Energy, industry, Uncategorized
Tagged Aalto University, alternative energy, Grätzel, HUT, Kiros, Lampinen, Räisänen
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Jon Goff's Move
Oh, what a bombshell, he’s leaving Mojave too. After Ben Brockert and Ian Garcia, there’s not that many from the Xombie/Xoie team left, but they got new people in and are moving on with the CruSR commercial sounding rocket things. … Continue reading
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The Last I4
It doesn’t have the same sound as “The Last V-8” now does it? When you look at what’s happening in the world of automobiles, you get some idea of a change. It is always slow, yet I predict that when … Continue reading
Posted in Architecture, Climate, Energy, Global, Homebuilt, Motivation, Science Links, Transportation, Uncategorized
Tagged Automotive X-Prize, E-RA, hybrid, plugin, Raceabout
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Car Buying Advice?
For Europe where gasoline costs over 1.4 euros per liter. My parents are looking for a new little used one. The old Opel had a trouble free ten years, and having another in the same line might be a good … Continue reading