Your Price:$27.29
List Price:$29.99
Product Number:ARO73804
Discontinued, no longer available for purchase
Discontinued, no longer available for purchase
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Product Description

This Package Contains One G-class G38-4FJ Composite Model Rocket Engine from Aerotech. Federal Law Prohibits Sales to Persons Under 18 Years of Age.

Product Features
  • Used with single stage rockets.
  • The "FJ" stands for Fast Black Jack.
  • 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 8.5 pounds (38 Newtons); however, can peak at 17.5 pounds (78 Newtons).
  • They each have a delay of 4 seconds.
  • Compact motor comes with directions and performance specifications.
  • Contains one 4-1/4" long copperhead igniter and elastic band.
Product Specifications
  • Aerotech Product Number: 73804
What's Included

One G38-4FJ Model Rocket Motor.

Requirements & Suggestions

Copperhead Igniter Installation

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Product Rankings
#9 in Home > Model Rockets  >  Rocket Engines  >  G Size
#86 in Home > Model Rockets  >  Rocket Engines
#230 in Home > Model Rockets
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Manufacturer 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.
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