Estes E9-4 Rocket Engine (3)
[EST1673]

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This is a pack of three Estes E9-4 Rocket Engines. The Estes E9-4 engine is a single stage engine designed for flights in rockets weighing less than 15 ounces, including the engine. Each package includes 3 engines, 3 igniters and 4 igniter plugs

Specifications:
Engine Type: E9-4
Total Impulse (N-sec): 30.00
Time Delay (Sec): 4
Max Lift Weight (oz/g): 15/425
Max Thrust (Newtons/Lbs): 25/5.6
Thrust Duration (Sec): 2.8
Initial Weight (oz/g): 2/56.7
Propellant Weight (oz/g): 1.27/35.8