Keep calm ... Hobby on. Please be patient during this time. We are open, but orders may be delayed unexpectedly.
 > Model Rockets > Rocket Engines > Reloadable : Aerotech E11-3J Reload Kit 24/40 (3) aro51103

E11-3J Reload Kit 24/40 (3)

This Model Rocket Motor Reload Kit Includes Three E-class E11-3J Reloadable Motor Systems for RMS 24/40 Motor Hardware, Designed by Aerotech. Federal Law Prohibits the Sale of This Product to Persons Under Age 18.

Aerotech E11-3J Reload Kit 24/40 (3)
 Aerotech # aro51103
Retail $28.99  SAVE 18% !
Aerotech Item # aro51103
Specifications :
  • Motor Diameter: 0.94" (24mm)
  • Assembled Weight: 2.2oz (61g)
  • Maximum Liftoff Weight: 16oz (454g)
  • Total Impulse: 35 Newtons
  • Aerotech Product Number: 51103
Out of Stock
Discontinued - No longer available for purchase
Trust 1000's of Reviews on
Industry Leading Loyalty Program
Buy - Earn - Save
Website security verified by GoDaddy.
Easy, Quick and Hassle Free Returns for 30 Days
Sign-Up for Specials, Coupons, & More

You Might Also Like

← Swipe To View More →


  • For use in RMS 24mm D, E, F motor.
  • Primary use in single stage rockets.
  • They deliver power at the lowest per flight cost available in hobby rocketry.
  • Black Jack propellant provides the high visibility tracking of dense black exhaust and a distinctive lift-off roar.
  • Black Jack motors give your rockets lower acceleration and longer powered flight than White Lightning or Blue Thunder motors of the
  • same total impulse.
  • The average thrust of the motor is 2.5 pounds (11 Newtons).
  • Time delay of 3 seconds between propellant burnout and the firing of the ejection charge.
  • Uses the exclusive Copperhead single lead igniter.
  • Ignites by electrical means only.
  • Certified by the National Association of Rocketry.
  • This reload kit includes (3 of each)
  • -Liner (7/8" O.D. tube)
  • -Propellant Grain (long slotted part)
  • -Grain Adaptor (25/32" O.D. Tube)
  • -Delay Grain (short solid part)
  • -Delay Spacer (9/16" O.D. Washer, O-ring or tube)
  • -Delay Insulator (5/8" O.D. tube)
  • -Forward Insulator (7/8" O.D. washer)
  • -Delay O-Ring (5/8" O.D. x 3/32" thick)
  • -Aft O-Ring (3/32" thick x 7/8" O.D.).
  • -Forward O-Ring (1/16" thick x 7/8" O.D.)
  • -Nozzle (black plastic part).
  • -Copperhead Igniter
  • -Ejection Charge Container/Nozzle Cap (Red)
  • Assembly and operation instructions provided.
  • Product warranty policies included.


  • Motor Diameter: 0.94" (24mm)
  • Assembled Weight: 2.2oz (61g)
  • Maximum Liftoff Weight: 16oz (454g)
  • Total Impulse: 35 Newtons
  • Aerotech Product Number: 51103


3-Pak Package of E11-3J Reloadable Motor Systems

Requirements & Suggestions

  • RMS 24/40 Motor(s)
  • 12V Launch System
  • Wet Wipes or Damp Paper Towel
  • Hobby Knife (tes50627c) or Scissors
  • Masking Tape
  • How To Build a Model Rocket
← Swipe To View More →



  • This reload kit is intended to be used only with AeroTech Reloadable System (RMS) hardware.
  • Read and follow the safety codes of the National Association of Rocketry (NAR) and the Tripoli Rocketry Association and comply with all federal, state and local laws in all activities with hobby rockets.
  • Damaged or defective reloads should be returned to Aerotech.

Others Also Ordererd

← Swipe To View More →
Savings - Selection - Service
All Hobbylinc