Powerful, reliable, and built for serious flights, the F15-2 Engines deliver the sustained thrust you need for larger model rockets, higher altitude launches, and dependable flight performance. Each engine produces 49.61 N-sec of total impulse, 25.26 N of max thrust, and a long 3.45 second burn that gives your rockets a bold, steady climb from ignition to recovery.

With a 2 second delay and smooth, consistent performance, F15-2 Engines make every launch more predictable and exciting. You’ll enjoy the strong lift, clean transition to recovery, and dependable timing that make these engines a favorite among experienced rocketeers. Whether you’re flying a new build or a proven favorite, you can count on Estes reliability every time you hit the launch button.

Includes:

2 × F15-2 Engines

2 × Starters

4 × Starter Plugs

Total Impulse

49.61 N-sec

Time Delay

2 Seconds

Max Lift Weight

21.0 oz (595 g)

Max Thrust

25.26 Newtons (5.7 lbs)

Thrust Duration 

3.45 Seconds

Length

4.5 in. (11.4 cm)

Diameter

29 mm

Weight

3.59 oz. (101.8 g)

Propellant Weight

2.12 oz (60.0 g)

 SHIPPING INFORMATION: 

Rocket Engines will be shipped ground UPS  2 - 5 day service at no extra charge.

Estes model rocketry is recommended for ages 10 and up with adult supervision for those under 12. Unless otherwise specified, all models require assembly. Tools, construction and finishing supplies sold separately. In order to launch, a launch system, model rocket engines, starters and recovery wadding are required - sold separately-unless otherwise specified.