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Estes Rockets

E12-4 Engines

E12-4 Engines

Regular price $26.49
Regular price $26.49 Sale price $26.49
Sale Sold out

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.

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.

ATTENTION: Residents of California, New Jersey, Rhode Island and North Dakota please review the Terms of Sale for state specific restrictions.


3.8 in. (9.7 cm)


24 mm

Estimated Weight

2.16 oz. (61.2 g)

Total Impulse

30.00 N-sec

Time Delay

4 Seconds

Estimated Max Lift Weight

17.0 oz (482 g)

Max Thrust

30.60 Newtons (6.9 lbs)

Thrust Duration

2.70 Seconds

Initial Weight

2.16 oz (61.2 g)

Propellant Weight

1.3 oz (36.9 g)

Quantity Per Pack


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