Estes Model Rocket Engine D12-3 Standard Engine (2)

The Estes D12-3 is a high-thrust, single-stage model rocket engine designed for launching large, heavy rockets to impressive altitudes. With a short 3-second delay, this engine is perfect for rockets that reach peak altitude quickly and require prompt recovery system deployment. It’s a great choice for heavier rockets or those with shorter coast phases.

• Total Impulse: 20.0 N-sec (Class D Engine)

• Thrust Duration: 1.6 seconds

• Delay Time: 3.0 seconds

• Ejection Charge: Deploys recovery system

• Maximum Lift Weight: Approximately 283 grams (10.0 oz)

• Best For: Larger rockets or those needing quick ejection after thrust phase

Each D12-3 engine pack includes:

• 2 D12-3 engines

• 2 igniters

• 2 igniter plugs