I recall someone who worked on the UK early rocket programmes / Skylark rocket (UK 1957) telling me that a fly weight / gyro arrangement was used to aid stabilisation. On the drawings this was called the Yo-Yo bay. A memo arrived from on high stating facetious names should not be used for project design variants. Later to test in flight stabilisation a large sprung hammer was designed. At a pre-determined moment this would release - a large moving mass which also struck the outer casing to see if the rocket could be thrown off course.... this was called the Bonkers bay...…… Makes one proud to be British :0)
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