Category Archives: Motivation

Three kinds of hybrids

Posted on Tue, 2011-05-24 by gravityloss

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

Posted on Mon, 2011-05-09 by gravityloss

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 | Leave a comment

Iso-Haisu Flies to 2348 meters!

Posted on Thu, 2011-03-03 by gravityloss

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 →

Posted in Homebuilt, Motivation, Suborbital, Uncategorized | Tagged , , , , | Leave a comment

Camera Systems

Posted on Sat, 2010-11-27 by gravityloss

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 →

Posted in Design, industry, Motivation, Uncategorized | Tagged , , , , , , , | Leave a comment

Aerospace Video Blog: Lift to Drag Modestly Demonstrated

Posted on Mon, 2010-11-15 by gravityloss

This is the most awesome thing I have seen in a very very long while.

Posted in airplane, Art, Motivation, Transportation | Tagged , , , | 1 Comment

Random video blogging

Posted on Sat, 2010-10-16 by gravityloss

[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 , , , , , , , | Leave a comment

Spaceshiptwo – First Glide

Posted on Mon, 2010-10-11 by gravityloss

[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 →

Posted in Motivation, RLV:s, Suborbital | Leave a comment

Gravity Assist Competition

Posted on Wed, 2010-10-06 by gravityloss

Or The Space Game, by ESA. This is a nice javascript webpage where a probe is shot from Earth to Jupiter with gravity assists at Venus (twice), Earth and Mars. You try to achieve the lowest propulsive delta vee. You … Continue reading →

Posted in Architecture, Astronomy, Depot, Design, Energy, ESA, Homebuilt, industry, Launchers, Lunar, Models, Motivation, Science Links, Spacecraft | Tagged , , , , , , | Leave a comment

The Last Mammoth Song

Posted on Wed, 2010-09-22 by gravityloss

[youtube=http://www.youtube.com/watch?v=demvBmVqbjg] Alina Orlova from Lithuania

Posted in Art, Motivation | Tagged , , | Leave a comment

The State of the Art of Washing Machines

Posted on Mon, 2010-09-13 by gravityloss

..is despicable. They take clearly too little water. They take it clearly too slowly. They idle far too much at the beginning. They idle far too much at the end. They do not offer fast forward capability like mechanical machines … Continue reading →

Posted in Demotivation, Design, Humor, idiocracy, industry, Motivation | Tagged , , , , , | Leave a comment