Estes E12-6 Model Rocket Engines
Estes E12-6 24mm Model Rocket Engines
Estes E12-6 Model Rocket Engines with Plugs and Ingitors
Estes E12-6 Rocket Engines 2 Pack
Estes E12-6 Model Rocket Engines  Assembly
E12 Model Rocket Engine Thrust Curve Chart
Model Rocket Thrust Curve Example
24mm Rocket Engine Assembly How-to Video

E12-6 Engines

SKU: 010030
$27.99
Sale Sold out

The Estes E12-6 engine is perfect for classroom and STEM programs ready to explore higher-power flight. It launches rockets up to 14 oz with a 6-second delay, ideal for teaching advanced flight profiles and recovery timing.

Each pack includes 2 engines, 2 igniters, and 4 starter plugs—providing a complete and convenient setup for education-based launches, clubs, or student-led projects.

Includes:
- 2 E12-6 Engines
- 2 Starters
- 4 Starter Plugs

ATTENTION: These engines cannot be sent to post office boxes. Please be sure to provide a PHYSICAL ADDRESS when purchasing E and F sized engines.

E and F sized engines cannot be shipped to Alaska, Hawaii, Puerto Rico or Guam.

Overview

The Estes E12-6 engine is an excellent choice for educators and STEM program leaders looking to introduce advanced rocketry concepts in a hands-on, high-engagement format. This single-stage, high-thrust engine is capable of launching rockets weighing up to 14 ounces, making it suitable for mid- to large-sized classroom builds and advanced group projects. With a 6-second delay, students can observe extended coasting phases and timed recovery system deployments—an ideal setup for teaching aerodynamics, momentum, and flight prediction.

The E12-6 supports curriculum enrichment by offering real-world applications of physics and engineering principles. Its power and long delay allow students to explore advanced flight profiles, such as maximizing altitude before ejection or comparing performance across different body designs. For educators conducting multi-launch days, the E12-6 provides a reliable, repeatable performance across a wide range of rocket types, including Estes Pro Series II models.

Each 2-pack includes two engines, two igniters, and four reusable plugs—everything needed for two complete launches. This packaging makes it easy to integrate into classroom supply kits, activity bundles, or STEM camp materials. Like all Estes engines, the E12-6 is rigorously tested for quality and safety, offering peace of mind during class or group launch events.

Whether you're supporting high school physics labs, after-school rocketry clubs, or competitive STEM teams, the E12-6 offers a powerful and educationally rich experience. It’s a dependable engine for teaching more advanced flight dynamics and supporting student creativity in rocket design and experimentation.

ATTENTION: Estes Industries, LLC requires all purchasers and users of Estes® Model Rocket Engines to adhere strictly to all applicable local, state, and federal laws, regulations, and safety standards. The user assumes all responsibility for the safe and lawful use of Estes® products. Estes Industries, LLC expressly disclaims any and all liability for personal injury, property damage, or other loss resulting from the misuse, improper handling, or unauthorized application of its model rocket engines.

Overview

Estes E12-6 Model Rocket Engines with Plugs and Ingitors

Compatible Rockets

Technical Specifications

Technical Specifications

  • Total Impulse

29.50 N-sec
  • Time Delay

6 Seconds
  • Max Lift Weight

14.0 oz (397 g)
  • Max Thrust

29.60 Newtons (6.7 lbs)
  • Thrust Duration

2.70 Seconds
  • Length

3.8 in. (9.7 cm)
  • Diameter

24 mm
  • Weight

2.23 oz. (63.2 g)
  • Propellant Weight

1.3 oz (36.9 g)
E12 Model Rocket Engine Thrust Curve Chart

Customer Reviews

Based on 6 reviews
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Gary Reynolds

Excellent, thank you for the great customer service and support!

S
Sam Hofmann
Crazy

I recently used this engine on my custom built rocket the rocket ways 112 grams I have not launched it yet but I will use my altimeter to see how high it goes I also used 12 inch parachute for it. Im hoping that it will be big enough.

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W Makin

Fast, efficient service! Terrific product - thank you.

Estes-LP2-06

Live, Online Training and 1:1 Support

Estes Education has been a leader in STEM education for over 60 years. We know that STEM is a vital interdisciplinary topic that requires hands-on and inclusive learning. Explore these supporting materials to take learning to new heights!

Should you have need, you can meet with a member of Education team for FREE, 1:1 online support to learn rocketry basics, how to apply our curriculum, and discover unique teaching strategies. Our team is eager to answer your questions!

Learn About Model Rocket Safety!

Not sure how to safely launch a rocket with your group? Head over to our dedicated Safety instructions page for videos, support, and more!
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