Plaster of Paris nozzle, bulkhead was paper wadding. Casing was cardboard from a matchbox sleeve taped around drift. Same propellant and fuse as all 'Small Experimental Greenmix Rocket', KNO3 75 parts, C 15 parts, S 10 parts, each finely ground and then mixed well.
Stabilizer was kebab stick.
Motor cato'ed at launch. The entire grain was ejected out the top of the motor casing. The bulkhead wadding was not recovered. A grain void or nozzle plugging is assumed to be responsible, no video is available.
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