Estes B4-2 Model Rocket Engines
B4 Model Rocket Engine Thrust Curve Chart
Model Rocket Thrust Curve Example
Estes B4-2 Model Rocket Engines
B4 Model Rocket Engine Thrust Curve Chart
Model Rocket Thrust Curve Example
Estes Rockets

B4-2 Engines

SKU: 001601
$11.99
Sale

ENGINES FOR MODEL ROCKETS

3 – B4-2 Engines
4 – Starters
4 – Starter Plugs

PLEASE NOTE: You must have a physical address for delivery.

Overview 

Recommended Rockets

Specs

Reviews

Overview

The Estes B4-2 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 4 ounces, including the engine. Each package includes 3 engines, 4 starters and 4 plugs.

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 B4-2 Model Rocket Engines

Compatible Rockets

  • Der Red Max Model Rocket Kit

    Der Red Max™

    Der Red Max™

    $21.99
    $21.99
  • Big Bertha with Bag

    Big Bertha®

    Big Bertha®

    $29.99
    $29.99

Technical Specifications

Technical Specifications

  • Total Impulse

5.00 N-sec

  • Time Delay

2 Seconds

  • Max Lift Weight

4.0 oz (113 g)

  • Max Thrust

13.20 Newtons (3.0 lbs)

  • Thrust Duration

1.10 Seconds

  • Length

2.8 in. (7 cm)

  • Diameter

18 mm

  • Weight

.66 oz. (18.7 g)

  • Propellant Weight

0.27 oz (7.6 g)
B4 Model Rocket Engine Thrust Curve Chart

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
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!
Get Support Now!

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!
How To Fly Safely
AboutUs_HeaderImage_2