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History of liquid oxygen used for rockets as a fuel

LIQUID FUEL ROCKET


Introduce:

Robert Goddard introduced liquid fuel rocket into this world. Despite met with many comments, he gave a solution to rocketry which was being used today. Using Mathematics, he worked out the energy to weight ratios of various fuels. This showed gunpowder cannot proper energy to lift a rocket into space. Also, to burn fuel in a vacuum,a rocket has to carry its own oxygen supply.

Idea:

To get around all these problems, one day he got an idea to do a experiment that mixing of gasoline gas with liquid oxygen. Oxygen as a gas takes up a lot of space, but as a liquid it gives the rocket a lot of energy with much less weight and volume.

Patent and Experiment:

In 1914, Goddard patented the first liquid fueled rocket.12 years later after many failed experiments, Goddard took “Nell, ”a 9-foot tall rocket, out to field. Getting an assistant to light the fuse with a blowtorch on a stick, he saw the rocket rest for a second, then shoot about 30 feet and crashed.
It moved into space with an average speed of 60 miles per hour.

Source of article:

1001 INVENTIONS THAT CHANGED THE WORLD-Preface by Trevor Baylis and General Editor Jack Challoner..
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