E18-7W Reload Kit 24/40 (3) -- E Reloadable Model Rocket Engine -- #51807

Aerotech E18-7W Reload Kit 24/40 (3) -- E Reloadable Model Rocket Engine -- #51807
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Product Number:ARO51807
Shipping:USA Only
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Product Description

This Model Rocket Motor Reload Kit Includes Three E-class E18-7W 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.
  • White Lightning looks and sounds like actual sounding rockets and launch vehicles.
  • White Lightning propellant formulation: a brilliant white flame, dense bright white exhaust, and a throaty roar.
  • Easy to track and exciting to watch!
  • The average thrust of the motor is 4.1 pounds (18 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.
Product Specifications
  • Motor Diameter: 0.94" (24mm)
  • Assembled Weight: 2.0oz (57g)
  • Maximum Liftoff Weight: 9.5oz (269g)
  • Total Impulse: 40 Newtons
  • Aerotech Product Number: 51807
What's Included

3-Pak Package of E18-7W Reloadable Motor Systems

Requirements & Suggestions
  • RMS 24/40 Motor(s)
  • 12V Launch System
  • Wet Wipes or Damp Paper Towel
  • Hobby Knife or Scissors]]
  • Masking Tape
  • Assembly
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Product Rankings
Most Helpful Reviews - View All - Write a Review
Fun Reload!
By C.S. October 11, 2012
This is a very fun motor for your 24mm rockets that need a little bit more kick off the pad, or if you just want to fly your rockets higher and faster. The liftoff speed is noticeably faster than that of an Estes E9, and the flame is huge, with lots and lots of smoke! The instructions are not terribly difficult to interpret, but if you need a more visual guide to assembling the motor, see the 3D assembly video here: http://www.flickr.com/photos/75773285@N07/7607242174/ The delay assembly is slightly different (shorter delay grain and includes the use of delay grain adapter) because it shown an E18-4W, but it's still extremely helpful in assembling the motor. The assembly is not difficult, but the one thing you need to watch out for is getting the igniter where it's supposed to go. The reason I gave this product 4 stars instead of 5 is that the copperhead --or crapperheads as the guys at my local field call them-- igniters can be difficult, and are easy to accidentally short out. The has nothing to do with HobbyLinc, by the way, it's entirely the decision of Aerotech. I would definitely recommend this motor, as well as extra igniters. The longer ones that say they are for larger motors are easier to work with than the ones that are listed as being for D-F 24mm reloads. (http://www.hobbylinc.com/htm/aro/aro89893.htm) If your launch setup includes leads with toothed aligator clips, the Interlock igniter clip is extremely helpful as it prevents the teeth from biting through the foil and shorting the igniter. (http://www.hobbylinc.com/htm/aro/aro89341.htm) When the igniters work, these motors are great!
Was this review helpful to you? 12 of 12 people liked this
Loud is good!
By jerome.kentz January 29, 2014
This one of my favorite reloads! You get a lot of bang for your buck, especially with HobbyLinc's excellent pricing! As it says in the title, these puppies are a bit louder than expected. Noticeably more so than the single use E20. A definite crowd pleaser. They give a good kick in the pants to a regular 24mm motor mount Estes style rocket. More noise + faster speed = more fun! The only Con would be to take care when using the supplied Copperhead igniter. I would suggest getting one of the special Interlock Igniter clip made by Aerotech (ARO89341). Alligator clips with teeth can damage the igniter, shorting it out. Also I suggest reading the instructions while you build them! I have built dozens of dozens over the years... but mistakes can happen!
Was this review helpful to you? 11 of 11 people liked this
Great for higher altitudes
By dirtypeetie October 25, 2014
Excellent item i have launched over 5 rockets with these motors and all have flown great and had flawless ejection charges as well. Instructions are well written and explained. Just make sure you read all instructions before attempting your first reload process. No ignitor problems or ignition problems with any launch However make sure you are using a 12 volt launch system to ensure proper ignition of the propellant grain. PRO'S Easy to use after learning procedure for reloading long shelf life Reliable launch's Loud on take off (personal like) CON'S Lots of small parts not for children easier to reload at home rather then field
Was this review helpful to you? 10 of 10 people liked this
WOW
By coldginpaul September 5, 2015
My first reloadable. I like how the folks in my club say WOW what was that? I ordered more that day.
Was this review helpful to you? 9 of 9 people liked this
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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.
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