How did the lunar rover get to the Moon
Indian mission is en-route while Japan and Greececurrently h… 20 July 1969: At 20:17:40 UTC the Apollo Lunar Module known as As miraculous as that first moon landing was, the arrival of the Lunar Roving Vehicle – LRV for short – gave astronauts tremendous capability to explore the Moon's surface far beyond Apollo landing sites. Three LRVs were driven on the Moon, one on Apollo 15 by astronauts
David Scott and Jim Irwin, one on Apollo 16 by John Young and Charles Duke, and
one on Apollo 17 by Gene Cernan and Harrison Schmitt.
Would it not take roughly the same amount of fuel to slow the LM at the perigee (more kinetic energy) as it would to descend from a circular 60 mile orbit (more potential energy)?
Without it, the major scientific discoveries of Apollo 15, 16, and 17 would not
have been possible; and our current understanding of lunar evolution would not
have been possible." Electricity was supplied via two zinc-silver batteries weighing a total of 119 pounds (54 kilograms).
The Lunar Roving Vehicle (LRV) was an electric vehicle designed to operate in the
low-gravity vacuum of the Moon and to be capable of traversing the lunar surface,
allowing the Apollo astronauts to extend the range of their surface extravehicular
activities. The wheels consisted of a spun aluminum hub and an 81.8 cm diameter, 23 cm wide
tire made of zinc coated woven 0.083 cm diameter steel strands attached to the
rim and discs of formed aluminum.
Four lunar
rovers were built, one each for Apollos 15, 16, qnd 17, and one that was used for
spare parts after the cancellation of further Apollo missions. Another interesting tidbit about the individually-powered wheels is that all four could turn, giving the LRV a turning radius of just 9.8 feet (3 meters).There wasn't much room to spare in Apollo space capsules, so by design, the LRV needed to be small.
More Vintage Space. Let's find out.The LRV was technically a car, in that it had four wheels and two seats. Navigation was based on continuously recording
direction and distance through use of a directional gyro and odometer and
inputting this data to a computer which would keep track of the overall
direction and distance back to the LM. Among other things, the camera positioned on the front of the LRV for Apollo 17 was used to film the now-famous restart and ascent of NASA's final Moon liftoff. So, the service module did the work of lowering the orbit significantly before the Descent Engine had to be used.
After switching on all
the electronics the vehicle was ready to back away from the LM. Three countries have had operating rovers on the Moon: the Soviet Union, the United States and China. September 8, 2014.
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