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The motor ignited correctly and fired very briefly before exploding. The recovered casing seems to indicate it suffered a casing split. The ejection end was recovered separately from the motor case, with the nozzle nowhere to be found. I also have slow-motion video which shows the failure very well, if this is desired feel free to reach out to my email. I bought 7 motors, all from the same batch, through a reseller- i have already reported the failure to them, but not to the manufacturer directly