Your Price:$23.69
List Price:$25.99
Product Number:ARO52804
Discontinued, no longer available for purchase
Discontinued, no longer available for purchase
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Product Description

This Model Rocket Motor Reload Kit Includes Three E-class E28-4T 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. Package contains 3 AeroTech E Engines.

Product Features
  • 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.
  • This motor provides a higher level of thrust than White Lightning or Black Jack motors of the same total impulse.
  • Blue Thunder is the perfect propellant for the greatest lift-off acceleration.
  • Blue Thunder propellant formulation: produces a bright violet-blue flame with a minimum of exhaust smoke.
  • The average thrust of the motor is 6.3 pounds (28 Newtons).
  • Time delay of 4 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.
Product Specifications
  • Motor Diameter: 0.94" (24mm)
  • Assembled Weight: 1.9oz (54gms)
  • Maximum Liftoff Weight: 16oz (454gms)
  • Total Impulse: 40 Newtons
  • Aerotech Product Number: 52804
What's Included

3-Pak Package of E28-4T 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
  • Assembly
Suggested Supplies view all
Model Masking Tape Refill -- 10 mm -- #87034
Model Masking Tape Refill -- 10 mm -- #87034
Epoxy Mixing Cups (50) -- #r8056
Epoxy Mixing Cups (50) -- #r8056
MAXI-CURE Extra Thick Cyanoacrylate 1/2oz -- Hobby CA Super Glue -- #111
MAXI-CURE Extra Thick Cyanoacrylate 1/2oz -- Hobby CA Super Glue -- #111
INSTA-CURE Gap Filling Cyanoacrylate 1oz -- Hobby CA Super Glue -- #107
INSTA-CURE Gap Filling Cyanoacrylate 1oz -- Hobby CA Super Glue -- #107
Product Rankings
Most Helpful Reviews - View All - Write a Review
Excellent motors!
By richard.a.hubbard December 30, 2015
Excellent motors, reliable wti lots of kick. Once you've launched a few times, you can really save,with the reloads.
Was this review helpful to you? 8 of 8 people liked this
Other Customers Also Ordered view all
F39-6T 24/40 Reload Motor Kit (3) -- F RMS Model Rocket Engine -- #63906
F39-6T 24/40 Reload Motor Kit (3) -- F RMS Model Rocket Engine -- #63906
Manufacturer Comments
  • 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.
Also Viewed view all
F39-6T 24/40 Reload Motor Kit (3) -- F RMS Model Rocket Engine -- #63906
F39-6T 24/40 Reload Motor Kit (3) -- F RMS Model Rocket Engine -- #63906
F24-4W Reload Kit 24/40 (3) -- F Reloadable Model Rocket Engine -- #62404
F24-4W Reload Kit 24/40 (3) -- F Reloadable Model Rocket Engine -- #62404
E11-3J Reload Kit 24/40 (3)
E11-3J Reload Kit 24/40 (3)
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