Estes B6-4 Model Rocket Engine Flight Pack
Estes B6-4 Rocket Engine Flight Pack
Estes B6-4 Rocket Engine Flight Pack Plugs, Ignitors, Recovery Wadding
Estes B6-4 Model Rocket Engines
Estes B6-4 Model Rocket Engine
B6 Model Rocket Engine Thrust Curve Chart
Model Rocket Thrust Curve Example
Estes 18mm Rocket Engine Assembly How-To

B6-4 Engine Flight Pack

SKU: 010055

$12.99
Sale

Ready to boost your mid-sized model rockets? The Estes B6-4 Engine Flight Pack delivers consistent performance with a 4-second delay and 0.8-second thrust duration—great for rockets up to 4.0 oz. With a total impulse of 5.00 N-sec, it offers a reliable balance of power and stability for hobbyists of all skill levels.

Each pack includes 3 B6-4 engines, 4 starters, 4 plugs, and 12 sheets of recovery wadding. It’s everything you need for multiple launches, all in one convenient kit.

Includes:
- 3 B6-4 Engines
- 4 Starters
- 4 Starter Plugs
- 12 Sheets of Recovery Wadding

PLEASE NOTE: You must have a physical address for delivery.

Overview

The Estes B6-4 Engine Flight Pack is an ideal upgrade for rocketeers ready to launch mid-size model rockets with reliable power and performance. With a total impulse of 5.00 N-sec and a thrust duration of 0.8 seconds, these engines are built to deliver strong takeoffs and smooth mid-flight transitions for a wide range of rocket kits. Each engine is equipped with a 4-second delay, allowing for optimal coast time before deployment.

Capable of lifting rockets up to 4.0 ounces (113 grams), the B6-4 engine is perfect for mid-weight models that require a balance of power and stability. Whether you're experimenting with new designs or flying a trusted favorite, this engine offers consistent launches and dependable ejection timing. The max thrust of 12.10 newtons (2.7 lbs) gives your rocket the punch it needs to get airborne fast.

Each flight pack comes with everything you need for multiple launches: 3 B6-4 engines, 4 starters, 4 starter plugs, and 12 sheets of recovery wadding. With all components conveniently included, you can spend more time building and flying, and less time gathering materials. The recovery wadding helps protect your parachute or streamer from the engine’s ejection charge, ensuring your rocket is ready for its next flight.

If you're looking to elevate your next launch with a tried-and-true engine that delivers solid performance, the B6-4 is a go-to favorite among hobbyists. With its balanced power and ideal delay, it’s a versatile choice for a wide range of rocket designs.

ATTENTION: Residents of California, New Jersey, Rhode Island and North Dakota please review the Terms of Sale for state specific restrictions or Click Here for State Specific Restrictions.

Overview

Estes B6-4 Rocket Engine Flight Pack Plugs, Ignitors, Recovery Wadding

Compatible Rockets

Technical Specifications

Technical Specifications

  • Total Impulse

5.00 N-sec
  • Time Delay

4 Seconds
  • Max Lift Weight

4.0 oz (113 g)
  • Max Thrust

12.10 Newtons (2.7 lbs)
  • Thrust Duration

0.80 Seconds
  • Length

2.8 in. (7 cm)
  • Diameter

18 mm
  • Weight

.63 oz. (17.9 g)
  • Propellant Weight

0.23 oz (6.5 g)
B6 Model Rocket Engine Thrust Curve Chart

Customer Reviews

Based on 1 review
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K
Kevin James
good

rocket very good very nice went very high work well