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Estes motors A3-4T

Pack of "Mini" rocket engines, diameter 13 mm. These small engines are suitable for light and thin models, very fun and perfects for small spaces.

€15.95
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A3 engines with 4 second delay. These "mini-engines" are used in light and thin rockets with 13 mm engine mount, and when launch space is limited.

The package includes 4 engines, 4 igniters and 4 locks for igniters.

Data sheet

Length
45 mm
Diameter
13 mm
Weight
7.6 gr
Class
A
Total Impulse
2.5 Ns
Thrust duration
0.6 sec.
Delay
4 sec.
Max. liftoff weight
57 gr
Primary use
Single Stage rockets

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