Estes E12-4 Model Rocket Engines
E12-4 Rocket Engine
E12 Model Rocket Engine Thrust Curve Chart
Model Rocket Thrust Curve Chart Explanation
Estes E12-4 Model Rocket Engines
E12-4 Rocket Engine
E12 Model Rocket Engine Thrust Curve Chart
Model Rocket Thrust Curve Chart Explanation
Estes Rockets

E12-4 Engines

SKU: 001692
UPC: 047776016927
MSRP/MAP: $26.49
$26.49
Sale

ENGINES FOR MODEL ROCKETS

3 – E12-4 Engines
4 – 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 

Recommended Rockets

Specs

Reviews

Overview

The Estes E12-4 engine is 24mm diameter an upper stage engine designed for model rocket flight. This engine can also be used as a single stage engine. Maximum lift weight is 17 ounces. Each package includes 3 engines, 4 starters and 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.

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.

E12-4 Rocket Engine

Compatible Rockets

Destination Mars™ Mars Longship™
$37.99
Saturn 1B
$79.99
Pro Series II™ Majestic™
$53.99
Mean Machine™
$39.99

Technical Specifications

Technical Specifications

  • Total Impulse

30.00 N-sec

  • Time Delay

4 Seconds

  • Max Lift Weight

17.0 oz (482 g)

  • Max Thrust

30.60 Newtons (6.9 lbs)

  • Thrust Duration

2.70 Seconds

  • Length

3.8 in. (9.7 cm)

  • Diameter

24 mm

  • Weight

2.16 oz. (61.2 g)

  • Propellant Weight

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

Customer Reviews

Based on 7 reviews
100%
(7)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
D
David Newill (Carmel, IN)
Worked well

This Pack of "E" motors worked well - no issues

R
Russell Berglund (Roswell, NM)
Replacement engines

Had a bad time with cato's last summer, blew up 3 Estes HiFlier XL rockets . One was replaced by Estes (thank you VERY much) along with the engines . Well, on the second launch using the replacements, another cato!!!!! I have built this replacement (2nd, and again, Thank you) and recieved these engines....I plan to video each flight , so we will see how it all goes!

D
Daniel Duncan (San Antonio, TX)
ESTES E12-4 hobby rocket motor

They are always a sure fire way too rocket your ambitions too all New Heights!!!! .... way too GO Estes!!!!!!

123