B4-2 Model Rocket Engines (3pk)

The Estes B4-2 is a dependable single stage model rocket engine built for consistent, enjoyable flights in lightweight rockets. Designed to deliver steady, usable thrust for rockets under 4 ounces, this engine gives hobbyists reliable lift and smooth flight profiles that make launching simple and satisfying.Whether you are teaching a new rocketeer, flying at a club launch, or enjoying backyard hobby flights, the B4-2 balances performance and predictability. Its clean burn and dependable ignition help reduce launch day surprises so you can focus on building great flights and good memories.Includes:

• (3) B4-2 Engines
• (4) Starters
• (4) Starter Plugs

Product Dimensions & Weight:

Length: 6.500"

Width: 3.500"

Height: 0.750"

Weight: 0.16 lbs