Estes rocket motors 1/2A3-4T
Package of 3 Estes 1/2A3-4 model rocket motors, only for very light rockets or upper stages.
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1/2A motors with a 4 second delay. These "mini-engines" must be used only in very light rockets or upper stages of multi-stage rockets due to their long delay.
Package includes 4 Motors, 4 igniters and 4 igniter plugs.