Malfunctioning Engine Statistical Survey
M.E.S.S.

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Manufacturer
Estes Industries
Designation
E9-4
Type
single-use
Date code
A 06 28 11
Failure date
Jan 17, 2016
Location
Frisco, TX
Temperature
45 ℉
Nozzle blown out
Ejection end blown out
Burning propellant ejected
Have more motors
Comments
Motor installed in an Estes Mega Mosquito experienced a catastrophic failure at ignition. Rocket remained on the rod, but burning propellant blow off the nose cone dispersed on the range. This failure was just after an E9-6 with similar date code occurred. This motor was the 3rd used from a 3 pack - other 2 flew successfully at a lunch 1 month prior. Failure was caught on Hi-res Digital photo, an and on-board keychain video camera. Please email if the photo or video would be helpful.
Status
accepted