Program length: 26:46. To order a copy of the program, call 1-800-463-8825.
This program was produced by Brent Davis
and Rick Dowling
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INTRODUCTION
The United States would never have put a man on the moon if it weren’t for the efforts of the men and women of the Marshall Space Flight Center in Huntsville, Alabama. They were an important part of the NASA team that had been challenged by President Kennedy to reach the moon by the end of the decade. Under the direction of space scientist Wernher von Braun, the Marshall team designed, built and tested the world’s largest launch vehicle: the Saturn V rocket, that propelled man to the moon. The Saturn V project is an example of human innovation and determination at its best. The team at Marshall accomplished what many thought to be impossible. Wernher von Braun was an ideal leader for the project: friendly, supportive, and open-minded. Von Braun described the working environment at Marshall as an "atmosphere of cooperation, resourcefulness, and enterprise." |
The Saturn V project is an example of human innovation and determination
at its best. The team at Marshall accomplished what many thought to be
impossible. Wernher von Braun was an ideal leader for the project: friendly,
supportive, and open-minded. Von Braun described the working environment
at Marshall as an "atmosphere of cooperation, resourcefulness, and enterprise."
PROGRAM SUMMARY
"We didn’t have a long time to start figuring out how
to get to the moon," says Alex McCool, a propulsion expert at Marshall.
He remembers Kennedy’s speech only a few weeks after the nation’s first
astronaut, Alan Shepard, had flown on a Redstone rocket designed at Marshall.
"We just put a man in sub-orbital flight. He didn’t even go in orbit. It
was up and down, a ballistic flight."
By 1965, 7,500 people worked for NASA at Marshall and thousands of additional contractors were on site. Huge towers were built so the massive Saturn engines could be test-fired on the ground. When the five new, specially developed F1 engines were ignited, fire and smoke filled the sky, shock waves rolled, and the noise thundered across North Alabama.
The Saturn V was 100 times more powerful than the Redstone
rocket. When fired, its five engines created a force double that which
would be available if all the moving waters of North American were channeled
through turbines. Despite the complexity of the huge project--the Saturn
V rocket had three million parts--the Alabama workers finished the job
well ahead of Kennedy’s deadline and set an incredible launch record: the
Saturn V never failed in flight.
| OBJECTIVE
After viewing students should recognize that the manned landing on the moon was not only an engineering achievement, but also required thousands of laborers, welders, electricians, machinists, office workers, clerks and others working as part of an efficient and well-organized team. DISCUSSION QUESTIONS AFTER VIEWING
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Wernher Von Braun |
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Aerospace industry- the industry concerned with the design and manufacture of aircraft, rockets, missiles, spacecraft, etc., that operate in aerospace
Ballistics- the art or science of designing projectiles for maximum flight performance.
Ballistic trajectory- the path of an unpowered object, such as a missile, moving only under the influence of gravity and possibly atmospheric friction and with its surface providing no significant lift to alter the course of flight.
Dynamic testing-in rocketry, testing a flying vehicle on a test stand while shaking and vibrating it to simulate the stresses it would encounter in flight.
Magnetic field- a region of space near a magnet, electric current, or moving charged particle in which a magnetic force acts on any other magnet, electric current, or moving charged particle
Metallurgy- the technique or science of working or heating metals so as to give them certain desired shapes or properties or the technique or science of making and compounding alloys
Payload-the load that is carried by a spacecraft.
Redstone rocket- a U.S. ballistic missile powered by a single rocket engine. It was used in Alan Shepherd's sub-orbital when he became the first American in space.
Shock wave- a region of abrupt change of pressure and density moving as a wave front at or above the velocity of sound, caused by an intense explosion or supersonic flow over a body
Static testing-testing a flying machine while it is on the ground and held still so it can be easily tested and observed.
Sub-orbital flight- a space flight that does not complete a full orbit. Early U.S. space flights, for example, were launched at Cape Canaveral and splashed down several hundred miles downrange in the Atlantic.
Produced by Brent Davis and Rick Dowling at The University of Alabama Center for Public Television & Radio, Box 870150, Tuscaloosa, AL 35487, 1-800-463-8825.
For additional information about using these materials in your classroom, contact Alabama Public Television Educational Services, 1-800-239-5233.
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