B6-4 Model Rocket Engines (3pk)
B6-4 Model Rocket Engines (3pk)
In Stock
The Estes B6-4 Model Rocket Engines (3pk) deliver dependable single-stage power for standard model rocket flights. Designed for rockets weighing less than 4 ounces including the motor, these standard 18mm rocket engines provide high performance thrust and consistent burn times. Each convenient package includes 3 engines, 3 starters, and 4 igniter plugs to get your rocket prepped for launch.
Take your model rocketry builds to new heights with the Estes B6-4 Model Rocket Engines (3pk). Engineered for high performance, reliable ignition, and uniform burn times, these standard engines fit into standard BT-20 body tubes with a compact 0.69-inch diameter and 2.75-inch length. Perfectly suited for beginner and intermediate rocket kits, the B6-4 engine features a calibrated 4-second delay to ensure optimum parachute deployment at apogee. Whether launching custom creations or classic Estes rocket kits, these durable model rocket motors deliver consistent power launch after launch.
What rockets are compatible with the Estes B6-4 Model Rocket Engines (3pk)?
The Estes B6-4 Model Rocket Engines (3pk) are compatible with standard model rockets designed for 18mm engines (BT-20 body tubes) with a total liftoff weight under 4 ounces.
What accessories are included in the Estes B6-4 Model Rocket Engines (3pk)?
Each pack of Estes B6-4 Model Rocket Engines (3pk) includes 3 single-stage B6-4 engines, 3 starters, and 4 starter plugs.
What does 'B6-4' mean for the Estes B6-4 Model Rocket Engines (3pk)?
The 'B' denotes the total impulse class, the '6' indicates average thrust in Newtons, and the '4' signifies the 4-second time delay between motor burnout and ejection charge ignition.