B6-4 Model Rocket Engines (3)

This is a B6-4 B-class single stage model rocket engine designed to launch model rockets

Estes B6-4 Model Rocket Engines (3) Standard Rocket Motor #1606
 Estes Rockets # est1606
Retail $11.99  SAVE 21% !
Estes Rockets Item # est1606
Specifications :
  • Length: 2 3/4"
  • Diameter: 3/4"
  • Estes Product Number: 1606
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Spotlight Review

"The Old Standby"
This is my most launched motor of all time. I have never lost a rocket with it, and It gives awesome flights for most rockets that just go too high on Cs. I have never had a problem with the motor, and I like the longer burn vs an A This is a great motor!!!

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  • B-class model rocket engine 3 pack.
  • Single stage model rocket motor.
  • Detailed instructions.
  • Easy to use.
  • National Association of Rocketry certified.


  • Length: 2 3/4"
  • Diameter: 3/4"
  • Estes Product Number: 1606


  • 3 B6-4 Model Rocket Engines
  • 3 Igniters
  • 3 Plugs

Requirements & Suggestions

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"Great performance."
These rocket engines preformed great and will by again.

"Best 18mm Motors"
The b6-4 engines will always light. They are good for fair sized fields and execelnts for 10 mph winds.

"Excellent when space is limited"
Very good engine if your field is too small for the C6-5. I prefer them over the B4-4 as they have more punch for a faster lift off the pad.


  • WARNING: Model rocket motors are flammable. Please use caution.
  • Must be 14 to purchase in CA and NJ.
  • Do not burn engines.
  • Soak in water to destroy.

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