This product comes with one single use 10 inch long K-678 Black Gold fuel grain, four 3/16 inch push to connect injectors, two 4-foot long 3/16 inch high pressure black nylon fill lines, one 18 inch long 3/16 inch high pressure black nylon crossover line, one 1/8 inch push to connect combustion chamber vent fitting, one 1/8 inch 5 foot long high pressure clear nylon vent line, three o-rings for use on the nozzle, two 12 volt resistor igniters with 4 foot leads, thrust curve data sheet for reload purchased and the Contrail Rockets 75mm Hybrid Rocket Motor Reload Instruction Manual. Note that this reload is designed for Contrail Rockets 75mm 38.5-inch 2050cc hardware and requires a medium graphite nozzle. Note that nozzle extends past end of motor thrust washer. Warning reload is for a single use, using a reload more than one time can damage your hardware by a burn through or CATO. Please read the 75mm owner’s manual before purchase. Follow all Warnings to protect yourself, your fellow flyers or observers, your rocket and the environment.
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