/sci/ - Science & Math

>>15732767
Thiokol knew about the joint leaking from flexing and downplayed the possibility. NASA also knew before the first Shuttle even flow. Both parties independently went to the O-ring manufacturer who told them that O-rings only work in compression, but the issue was not fixed.
>When the Thiokol engineers were discovering these problems, they went to the Parker Seal Company, which manufactures the rubber, to ask for advice. The Parker Seal Company told Thiokol that O-rings are not meant to be used that way, so they could give no advice.