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ESTES A3-4T Model Rocket Engines 4Pack w/ Recovery Wadding EST10058 FLIGHT PACK
The Estes A3-4T Flight Pack is designed for small lightweight model rockets requiring 13mm mini engines. With a 2.50 N-sec total impulse a 4-second delay and a thrust duration of just 0.6 seconds this engine delivers quick efficient liftoffs...
$12.94 Free Delivery
