Estes Single Stage Rocket Engines: B4-4 (3 ea)

Estes Single Stage Rocket Engines: B4-4 (3 ea)

Regular price $19.99 Sale

Overview

The Estes B4-4 Rocket Engine 3-Pack is an 18 mm, single-staged engine designed for model rocket flights. This engine is a standard engine designed for flights in rockets weighing less than 3.5 ounces, including the engine.

Each 3-pack package includes:

  • 3 engines
  • 4 starters
  • 4 plugs

1602 B4-4 Rocket Engine 3-Pack is compatible with majority of Estes rocket kits including: 

  • 1225 Alpha
  • 1292 Wizard
  • 1261 Baby Bertha
  • 1946 Boosted Bertha
  • 1948 Big Bertha
  • 1949 Viking
  • 2008 Generic 2X
  • 2021 Cadet
  • 2056 US Army Patriot
  • 2092 Mongoose
  • 2169 Dragonite
  • 2178 Hi-Flier
  • 2452 Athena
  • 2483 Phantom Blue
  • 7000 Bull Pup 12D
  • 7220 Crossfire ISX
  • 7245 Comanche-3
  • 7259 Nike-X
  • 7281 Corvetter
  • 7284 Starship
  • 7291 Space Corps Centurion

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Estes B4-4 Model Rocket Engines




Technical Specifications

  • Total Impulse

5.00 N-sec
  • Time Delay

4 Seconds
  • Max Lift Weight

3.5 oz (99 g)
  • Max Thrust

13.20 Newtons (3.0 lbs)
  • Thrust Duration

1.10 Seconds

  • Length

2.8 in. (7 cm)
  • Diameter

18 mm
  • Weight

.68 oz. (19.3 g)
  • Propellant Weight

0.27 oz (7.6 g)


B4 Model Rocket Engine Thrust Curve Chart