After the booms reached 90 percent of their full length, they were incrementally extended so engineers could measure sail tension and record the number of deployment motor revolutions as the booms were fully extended.
After the booms reached 90 percent of their full length, they were incrementally extended so engineers could measure sail tension and record the number of deployment motor revolutions as the booms were fully extended.
After the booms reached 90 percent of their full length, they were incrementally extended so engineers could measure sail tension and record the number of deployment motor revolutions as the booms were fully extended.

Test at Cal Poly: LightSail unfurled for first time

September 25, 2014 5:06 AM