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

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Manufacturer
AeroTech
Designation
H250 Mohave Green 0
Type
reload
Date code
Dr. Rocket seri no.3
Failure date
May 15, 2016
Location
Princeton, Illinois QCRS mini Midwest power
Temperature
50 ℉
Casing Burned through
location
below seal disk ring
Comments
With two green plumes seen, motor burned longer at decreased pressure. Made to to ~300 feet maybe. Motor ejection blew the chute out but too low to inflate. Fiberglass rocket burned through and sustainer is no longer flyable. Had to remove aft closure and push casing forward to remove from rocket. Showed the remains to Tim Lehr and he states the forward and aft O rings were appropriately installed and not reversed. Have pictures and scans. Motor casing was not used much prior to flight and the anodizing inside was in great shape. Threads did not fail. Date on case 2004 and I bought new 2007
Status
accepted