RocketSTEM Issue #12 - July 2015 | Page 15

They had someone on site with us to By June 1970, two months after the Low…Rocco Petrone seemed skeptiensure close communications. Both near-loss of the Apollo 13 crew, tercal. This little outfit in Santa Barbara, NASA and Boeing had a permanent mination of the program was being no space experience; but the crew presence here, in fact. seriously considered.” Under pressure, was testing the land version and training on how to be field geologists. with the budget cut, with the public “That 18 months was rush rush losing interest and the scientific com[…] We made the deadline. It was rush,” he continued, “a nonlinear munity demanding better results, delivered two weeks before the schedule of simultaneous systems NASA leaped ahead with voyages launch.” development and testing in paralinto more dangerous and lel. Fortunately, we had interesting territory, with plenty of knowledge advanced equipment to leverage and lots of and the use of the LM as the hardware had been a base camp from which developed, so we weren’t long traverses could be starting from scratch. made, instead of as the Also, we assigned parallel sole determinant of the teams where each major range of exploration. subsystem had one engineer in charge—steering, With these began the traction and so on—and true science of lunar exthey were responsible for ploration, and the process not just the design but of learning how the Moon carrying it all through testwas formed. ing and redesign and so “For our mission on on until delivery. Apollo 15, (as well as 16 “In critical areas like and 17),” Scott continued, electric drive, we had “the shift to a ‘J’ mission parallel and simultaneous and the inclusion of the development of alternaLRV meant that we could tives, one with a DC drive cover seven times the and one with an AC drive, distance covered on ‘H’ with the subcontractors. missions. We would travel We knew we’d pick one, almost four times the and we would commit to distance from the LM, we the best when the time would be able to carry The Lunar Rover is folded up and being moved into its stored position inside the Apollo came. That’s how we many more tools, and we 15 Lunar Module, where it will remain until its deployment on the Moon’s surface. Credit: NASA via Retro Space Images cut development time. could collect and return We did experience test twice the amount of failures, and weight was a serious surface rocks and soil. Wheels on the Moon constraint. Every morning, my first “Further, because of the mobility meeting was a weight analysis meetThe Lunar Rover enabled the of the LRV, we would be able to ing, with the engineers contending fulfillment of Apollo’s most ambitious explore three different geological over every gram. promises. The difference it made can areas at our landing site, from a rille, be seen in the Lunar Reconnaissance to large craters, to the mountains; a “This was a highly compressed Orbiter photos of the landing sites for schedule,” he said. “Nothing in Apoltrue boon to the scientific exploration lo had been started and stopped like the last three Apollo missions. and comprehensive understandthis. It was day and night, weekends; Where their predecessors has ing of the Moon.” The “J “missions, our families hardly saw us. Nobody covered yards, the J-mission landsaid historians Charles Murray and died, but some people got sick. But ing crews covered miles--a total of Catherine Cox, were “magical”— the great thing was, the people were 58--collecting over a quarter-ton of “through them, planetary science so enthusiastic. You didn’t have to samples from multiple locations in was transformed.” prompt people, or ask “Can you fast but comprehensive surveys of Please visit our website for the enstay an extra hour today?” Everyone the Marsh of Decay, the Descartes tire list of source material consulted voluntee ɕ