> Model Rockets > Rocket Engines > F Size : Aerotech F23-4FJ Blackmax Econojet Motor (2) aro62304

F23-4FJ Blackmax Econojet Motor (2)

This Package Contains Two F23-4FJ BlackMax Econojet Composite Model Rocket Engines from Aerotech. Recommended for Ages 16 Years or Older. Package contains 2 AeroTech F Engines.

Aerotech F23-4FJ Blackmax Econojet Motor (2) F Composite Model Rocket Engine #62304
 (9)
 Aerotech # aro62304
$40.99
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Aerotech Item # aro62304
Specifications :
  • Dimensions: 1.18 x 2.87in (29 x 73mm)
  • Motor Weight: 3.5oz (78gms)
  • Propellant Weight: 32gms
  • Total Impulse: 12.6lb/sec (56N/sec)
  • Maximum Lift-Off Weight: 22oz (620gms)
  • Aerotech Product Number: 62304
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Spotlight Review

 
"black jacks are awesome"
tomsteve1987
can be hard igniting as blackjacks are notorious for, but the black smoke trail is awesome

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Features

  • 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.

Specs

  • Dimensions: 1.18 x 2.87in (29 x 73mm)
  • Motor Weight: 3.5oz (78gms)
  • Propellant Weight: 32gms
  • Total Impulse: 12.6lb/sec (56N/sec)
  • Maximum Lift-Off Weight: 22oz (620gms)
  • Aerotech Product Number: 62304

Includes

Two F23-4FJ BlackMax Econojet Model Rocket Motors


Requirements & Suggestions

  • Copperhead Igniter Installation
  • Adult Supervision
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Reviews

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"Column of black smoke!"
Craig M (Illinois)
I posted the photo of the estes ventris. This motor took the ventris to maybe 5 or 600 feet. And the rocket landed about 50 yards away. A good motor rocket combo for a small field. Tomsteve 1987 is right about the hard igniting. I burned the first igniter had to use the other igniter which left me with no igniter for the second motor. I would definitely buy extra igniters. This motor has good sound and great smoke. I will definitely buy more.

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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