Estes 1601 B4-2 Rocket Engines 3 Pack Standard Model Rocket Motors

Brand New – Factory Sealed

Estes 1601 B4-2 Standard Model Rocket Engines (3 Pack)

Launch your Estes model rockets with dependable Estes B4-2 engines. These standard 18mm rocket motors are designed for smaller, lightweight rockets and provide smooth, controlled flights with a short 2-second recovery delay.

The B4-2 is an excellent choice for beginner and intermediate model rocketeers looking for predictable performance and easy launches.

Features:

• Genuine Estes model rocket engines
• Part Number: EST1601 / 1601
• B4-2 single-stage rocket motors
• Pack includes 3 engines
• 18mm diameter
• 2-second delay
• Includes starters and starter plugs
• Designed for rockets under 4 oz including engine
• Reliable Estes performance
• Great for beginner and sport flying

Specifications:

• Engine Type: B4-2
• Diameter: 18mm
• Length: 2.8 in. (70mm)
• Total Impulse: 5.00 N-sec
• Delay: 2 seconds
• Maximum Lift Weight: 4.0 oz (113g)
• Maximum Thrust: 13.2 Newtons
• Thrust Duration: approximately 1.1 seconds
  

Compatible With:

• Estes model rockets requiring 18mm B-class engines
• Lightweight beginner and sport rockets
• Many Estes and compatible rocket kits

Includes:

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

Condition:
Brand new in the original factory packaging.