13 mm Motors

4 pack of Estes 1/4A3-3T 13mm Motor

This is an ideal motor for flying small rockets like Rocketry Works' Luna on a small field.  4 motors, plus 4 igniters and 4 igniter plugs per pack. Must ship ground only.

4 pack of Estes 1/2A3-4T 13mm Motor

This is a bulk pack of 24 13mm 1/2A3-4T model rocket motors, intended for group launches, packaged in bulk to lower the price per motor. Includes 24 1/2A3-4T model rocket motors, 30 igniters, 30 igniter plugs, and 72 sheets of recovery wadding.

4 pack of Estes A3-4T 13mm Motor

4 pack of Estes A10-0T 13mm Motor

This is a specialized motor by Estes Rockets, because it does not have a delay or an ejection charge so it will not deploy a recovery device. Instead, it is plugged at the top to prevent propellant blow-through from damaging your model. This motor is...

The A10-3T model rocket motor by Estes is a high thrust 13mm motor that is good at getting heavier small models off the pad and up to flying speed. 4 motors, plus igniters and igniter plugs per pack. Must ship ground only.