Estes Single Stage Rocket Engines: B4-2 (3 ea)

Estes Single Stage Rocket Engines: B4-2 (3 ea)

$19.99 Sale

Overview

The Estes B4-2 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 4 ounces, including the engine. Each package includes 3 engines, 4 starters and 4 plugs.

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Estes B4-2 Model Rocket Engines


Compatible Rockets







Technical Specifications

  • Total Impulse

5.00 N-sec

  • Time Delay

2 Seconds

  • Max Lift Weight

4.0 oz (113 g)

  • Max Thrust

13.20 Newtons (3.0 lbs)

  • Thrust Duration

1.10 Seconds

  • Length

2.8 in. (7 cm)

  • Diameter

18 mm

  • Weight

.66 oz. (18.7 g)

  • Propellant Weight

0.27 oz (7.6 g)


B4 Model Rocket Engine Thrust Curve Chart