| 1. | It used UDMH fuel with an N 2 O 4 oxidiser.
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| 2. | Oxidiser loaded was burned in flight before landing, or dumped.
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| 3. | Oxygen is the most abundant free radical oxidiser out there.
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| 4. | It is a yellowish solid that is a strong oxidiser.
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| 5. | The nitric acid oxidiser tank was mounted directly ahead of the rocket engine.
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| 6. | It is a strong oxidiser and chlorinating agent.
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| 7. | Ozone can also be used as the oxidiser.
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| 8. | Forward, the majority of the tube contained a mixture of nitric acid and nitrogen tetroxide oxidisers.
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| 9. | Experiments were run with varying fuel and oxidiser formulations, as the general design was quite robust.
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| 10. | The orbiter's dry mass is, and it carried of fuel and oxidiser at launch.
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