• 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 7 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: 1.9oz (54g)
• Maximum Liftoff Weight: 10.6oz (301g)
• Total Impulse: 40 Newtons
• Aerotech Product Number: 52807

3-Pak Package of E28-7T Reloadable Motor Systems

• 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.