Altitude record

After a one-day delay spent waiting for the right wind direction, the Stratos II+ rocket finally lifted off from its launch site on the south coast of Spain on Friday 16 October and soared to an altitude of 21,457 metres. Although that was short of the hoped-for 50 kilometres, TU Delft’s Dare team still smashed its own previous European and student record of 12,500 metres, setting a new European altitude record for amateur rockets. The rocket had three experiments on board and was designed and built by the students themselves, including its important part: its hybrid motor, with a fuel core consisting of a mixture of aluminium powder,  candle wax and sorbitol (artificial sweetener), through which laughing gas (nitrous oxide) is forced under high pressure.

dare.tudelft.nl

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