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Manufacturer

Alpha Hybrids

Designation

J450DM

Type

single-use

Date code

092818

Failure date

Nov 16, 2019

Location

Helm, CA

Temperature

70 ℉

Nozzle blown out

Casing split

Burning propellant ejected

Other failure

description

Case split toward the bottom. Nozzle/lower end of the motor blew off, destroying the bottom end of my 4" SBR Thor rocket.

Reported to mfr.

Photos

Status

pending