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

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Manufacturer
AeroTech
Designation
D13-4W
Type
reload
Date code
07111701
Failure date
Nov 19, 2021
Location
Kofa Launch site (33.528074, -113.621306)
Temperature
75 ℉
Nozzle blown out
Burning propellant ejected
Have more motors
Comments
The rear closure on my Aerotech 18/20 case was blown off at launch. The failure forced the motor mount into the center of the rocket body tube. I was unable to find the rear closure. The threads on the case appear to be stripped by the force of the failure. I assembled the reload exactly according to the instructions. I had previous used one of the same reloads in this package without problem. I will also report this to Aerotech.
Photos
Failed 18-20 casing rear closure - 2021-11-19.jpg
Status
pending