Estes rocket motors 1/2A3-4T

Package of 3 Estes 1/2A3-4 model rocket motors, only for very light rockets or upper stages.

€13.69
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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.

Data sheet

Length
45 mm
Diameter
13 mm
Weight
6 gr
Class
Up to A
Total Impulse
1.25 Ns
Thrust duration
0.3 sec.
Delay
4 sec.
Max. liftoff weight
Upper stage or very light rockets

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