- How SpaceX Could Accelerate Spacefaring – An Alternate Method
- How did they improve so massively from the F-4 Phantom II to the F-15 Eagle to the F-22 Raptor?
- Analysis of Tesla Berlin Factory Drone Flythrough
- Why is the F-35 slow?
- Mitigating Coronavirus Economic Effects and Finding New Business Opportunities
- ares i
- Conceptual Design
- global warming
- lunar lander challenge
Category Archives: Motivation
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
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
The Iso-Haisu (big skunk) hybrid rocket just flew, on wednesday second of March 2011. More info on the Haisunäätä pages. Done by members of SATS ry, Suomen Avaruustutkimusseura or SAFF, Sällskap för Astronautisk Forskning i Finland by its Swedish name or Finnish … Continue reading
Back when digital cameras started appearing around the turn of the millennium, it pretty quickly turned out that just making a digital version of an 35 mm SLR camera was not a very efficient move. The image quality with full … Continue reading
This is the most awesome thing I have seen in a very very long while.
[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
[youtube=http://www.youtube.com/watch?v=mDUVe3a496Y&feature=player_embedded] Watch in high res at youtube. White Knight Two doesn’t look so large span after all. Spaceship Two is pretty wide with its outset elevons and the WK2 outer wings need to have the engines so there’s not much … Continue reading
[youtube=http://www.youtube.com/watch?v=demvBmVqbjg] Alina Orlova from Lithuania