Propulsion Technology Quotes

I just felt that space was the next thing coming in aviation. It was higher, faster. It had the risk.

If you stop and think about it, the form of propulsion used today hasn't changed in over a thousand years... since the invention of fireworks by the Chinese.

For the first time I was flying by jet propulsion. No engine vibrations. No torque and no lashing sound of the propeller. Accompanied by a whistling sound, my jet shot through the air. Later when asked what it felt like, I said, "It felt as though angels were pushing".

A rocket is a reed that thinks brilliantly.

A rocket won't fly unless somebody lights the fuse!

Despite the immense distance between our own solar system (including the earth) and the nearest other solar systems, a journey from one system to another is theoretically possible, once an unlimited source of power is developed.

While the circumnavigation of the solar system seems farfetched, it may not be once the problem of effective anti-gravitational control is solved.

We do need different types of propulsion to get to Mars. I wrote one of the first Ph.D. theses on that in the 1960s.