A10-3T Model Rocket Engines (4)

This is an A-class A10-3T mini model rocket engine from Estes. For use in single stage model rockets.

Estes A10-3T Model Rocket Engines (4) Mini Rocket Motor #1511
 Estes Rockets # est1511
Retail $11.29  SAVE 21% !
Estes Rockets Item # est1511
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Spotlight Review

Mr. Northport (Northport, WA)
Not the most powerful small motor out there, but for the price of these you really can't go wrong especially if you're working with little kids.

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  • Length: 1 3/4"
  • Diameter: 1/2"
  • Estes Product Number: 1511


  • 4 A10-3T Model Rocket Engines
  • 4 Igniters
  • 4 Plugs

Requirements & Suggestions

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For the mini-engine crowd. These will lift your 1 ounce or less rockets out of sight. Streamer recovery suggested...

"Small, cheap and powerful (for the size)"
Mounted in a 1.3 ounce, 10-inch long BT-5 rocket like the FIRESTEAK this motor shot it up clean out of sight. Just for the heck of it, I even tried one with an adapter in the 3.2 ounce, 35-inch long, BT-55 AMAZON rocket... thinking it would barely get it off the pad -- and damned if it didn't lift that beast 12 feet into the air. Great for small and even medium sized birds, but with one caveat: The ejection charge is a little weak for body tubes wider that a BT-20, particularly if more than 15 to 20 inches long. In the case of my test with the AMAZON it did not have enough ejection power after traveling up the 30 inches up to the nose cone to pop the chute.

"Strong for a mini motor"
These really get your smaller rockets off the pad FAST. We shot a sky duster up like a lighting bolt. it was very cool. The are strong enough for use in a 18mm airframe with an adapter, particularly if the model is small and or your field is


  • 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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