E16-4 Engines (29 mm)
E16-4 Engines (29 mm)
E16-4 Engines (29 mm)

E16-4 Engines (29 mm)

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2 – E16-4 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.


The Estes E16-4 engine is 29mm 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 20 ounces. Each package includes 2 engines, 2 starters and 4 starter 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.


Technical Specifications

Technical Specifications

  • Total Impulse

33.68 N-sec
  • Time Delay

4 Seconds
  • Max Lift Weight

20.0 oz (566 g)
  • Max Thrust

26.44 Newtons (5.9 lbs)
  • Thrust Duration

2.09 Seconds
  • Length

4.5 in. (11.4 cm)
  • Diameter

29 mm
  • Weight

2.86 oz. (81.1 g)
  • Propellant Weight

1.41 oz (40.0 g)
  • Having Trouble?

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