Whr Figures, From various sources |
Whr Figures, From various sources |
Feb 6 2006, 03:39 PM
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Founder Group: Chairman Posts: 14433 Joined: 8-February 04 Member No.: 1 |
I've been looking at the new entries at the PDS for WHR quotes, to compile as good a list of actual quoted Whr values as I can......so if you find one, add it to this thread and I'll update this post with figures....any source as long as it's an actual figure and an actual sol.
B0515 - 418 Whrs B0522 - 462 Whrs |
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Jun 19 2007, 04:51 AM
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Senior Member Group: Members Posts: 1887 Joined: 20-November 04 From: Iowa Member No.: 110 |
QUOTE Spirit's Solar Panels Get Spring Cleaning Spirit got a second spring cleaning on Mars with a dust-cleaning event that increased power from the rover's solar arrays by 120 watt-hours (a 100-watt light bulb that burns for one hour uses 100 watt-hours of electricity). Spirit previously experienced dust-lifting winds in 2005. Energy from the rover's solar arrays is now higher than 600 watt-hours. http://marsrovers.jpl.nasa.gov/mission/sta...ll.html#sol1219 A 120 Watt-hour increase to 600 Watt-hours would mean that before the cleaning event power was at 480 Watt-hours. that is significantly higher than Helvick's prediction in this post http://www.unmannedspaceflight.com/index.p...ost&p=68095 I wonder why it was higher? Did we miss a cleaning event? Did dust clumping clear enough of the panels to boost power? Is the atmosphere less dusty than last year? Edit: thought of another possibility: less dust settling on Spirit than Helvick's model assumes. |
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