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18

The dinosaur, an Apatosaurus named "Tremor" is the unofficial third crew member (in the DM2 webcast also sometimes jokingly referred to as a stowaway) of SpX-DM2. It was chosen by Doug Hurley's and Bob Behnken's sons, who are both dinosaur fans. Plush toys have somewhat of a tradition of being used as a zero-G indicator in spacecraft, since they ...


14

It is a tap to measure Chamber Pressure You can see similar tubes protruding from other hydrazine engines designed by Rocket Research Corp. Per the source: "A 1/16-inch OD x 0.010-inch wall tube is provided to measure thrust chamber pressure". This reading could've been used as a measure of engine thrust for throttle control feedback loops. I ...


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