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

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Manufacturer
Cesaroni Technology
Designation
G69SK
Type
reload
Date code
24-Aug-17
Failure date
Apr 14, 2019
Location
Pasco, WA
Temperature
53 ℉
Nozzle blown out
description
CTI 38mm G69 SK 1-grain motor with two spacers in a P38-3G case. The nozzle end blew out taking the Aeropack retainer with, and post mortem of the motor showed that the rear closure had been blown off. The threaded section of the casing was belled slightly outward. Most pieces of the motor were recovered. The igniter was a CTI igniter. Motor blew halfway through the rocket during the CATO.
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Comments
Blew out on the pad while the motor was still pressurizing.
Status
accepted