The E16-4 Engines (29 mm) by Estes Rockets are a versatile and powerful option for mid to high-powered model rockets. Designed for single-stage flights or as upper-stage boosters, these engines provide a total impulse of 33.68 N-sec and a 4-second delay for precise parachute deployment. With the ability to lift rockets weighing up to 20 ounces (566 grams) to impressive altitudes, the E16-4 offers reliable performance for thrilling launches. Ideal for advanced hobbyists, each package includes two engines, two starters, and four starter plugs, making it easy to prepare for multiple flights.

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.

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Includes:

• 2 E16-4 Engines
• 2 Starters
• 4 Starter Plugs