The Write Stuff
NASA and industry engineers are still wrestling with the shaking that plagues the Ares I rocket on ascent, evaluating various possible fixes.
The shaking, known as thrust oscillation, occurs because of the way Ares' solid-rocket fuel first stage burns, vibrating the vehicle like a giant organ pipe.
Computer models show the shaking takes place about 115 seconds into flight. In the worst case, Ares I could be damaged and the crew hurt or killed.
Read the Post HERE.