Specifications
The Estes B4-4 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 3.5 ounces, including the engine.
Product Information
SKU
456533
Mfr Part#
1602
UPC
047776016026
Rocket Specifications
Type
Engine
Other Requirements
In order to launch, a launch system, model rocket engines, igniters, and recovery wadding are required (sold separately) unless otherwise specified.
Disclaimer
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.
Engine Specifications
Engine Type
Total Impulse
5 n-sec
Time Delay
4 sec.
Maximum Lift Weight
3.5 oz. / 99g
Maximum Thrust
13.2 newtons / 3 lbs.
Thrust Duration
1.1 sec.
Initial Weight
0.74 oz. / 21g
Propellant Weight
0.29 oz. / 8.33g
What's in the Box
What's in the Box
3 x B4-4 Engines, 3 x Igniters, 4 x Igniter Plugs