- Used with single stage rockets.
- The "FJ" stands for Fast Black Jack.
- Recommended motor matrix: Initiator, HV Arcas, Strong Arm, and Wart-Hog.
- Primary use is for single stage rockets.
- Propellant effect is a dense, sooty black smoke.
- Burn time for this motor is 2.2 seconds.
- The average thrust of the motor is 5.2 pounds (23 Newtons); however, can peak at 11 pounds (48.7 Newtons).
- They each have a delay of 4 seconds.
- Compact motor comes with directions and performance specifications.
- Contains two 4-1/4" long copperhead igniters and elastic bands.
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 | F23-4FJ Blackmax Econojet Motor (2) Other items from Aerotech This Package Contains Two F23-4FJ BlackMax Econojet Composite Model Rocket Engines from Aerotech. Recommended for Ages 16 Years or Older.
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Features Includes Two F23-4FJ BlackMax Econojet Model Rocket Motors | Specifications
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Requires
- Copperhead Igniter Installation
- Adult Supervision
Comments
- Motor is very hot after firing.
- Store in a dry place where the temperature is between 45 degrees (F) and 100 degrees (F).
- See directions for proper disposal method.