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

The Estes E12-6 is a high-thrust engine with a 6-second delay, designed for heavier rockets up to 14 oz. It offers powerful launches and smooth recovery deployment for larger models.

This 2-pack includes 2 engines, 2 igniters, and 4 plugs—perfect for experienced rocketeers seeking altitude, reliability, and performance in mid- to large-sized rocket flights.

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 a high-thrust workhorse designed for mid- to large-sized model rockets. With a powerful boost and a 6-second delay, it’s perfect for flights where altitude and performance matter most. This engine is ideal for heavier rockets that need extra force off the launch pad while still ensuring safe and timely recovery system deployment.

Capable of lifting rockets weighing up to 14 ounces, the E12-6 provides reliable, sustained thrust for models that require extended coasting before ejection. The longer delay makes it especially well-suited for rockets with sleek, efficient designs that benefit from more time to climb after burnout. Whether you're flying a Pro Series II rocket or another advanced model, the E12-6 delivers dependable, high-altitude flights.

Each package includes 2 engines, 2 igniters, and 4 reusable starter plugs, giving you everything you need for two full launches. Estes' precision-engineered engines are rigorously tested for quality and performance, giving you peace of mind when it’s time to launch. Just pair it with the right launch pad and controller, and you’re ready for a powerful takeoff.

Whether you're upgrading from D-class motors or optimizing for longer coast times, the E12-6 is the go-to engine for rocketeers ready to push their rockets to greater heights. It's the ideal choice for experienced flyers who want big performance in a versatile, easy-to-use format.

ATTENTION: Residents of California, New Jersey, Rhode Island and North Dakota please review the Terms of Sale for state specific restrictions or Click Here for State Specific Restrictions.

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.