D Rocket Engines
There are 2 types of single-use D motors: Estes 24mm Black Powder and Aerotech 18mm Composite. You need 12v controller to ignite composite motors.
D12-0 model rocket engine. 2 pack
2 Pack of D12-0 booster engines. This motor does not have any delay before the ejection charge is deployed. Use in a booster stage of a multi-stage...
D12-3 model rocket engine. 2 pack
2 Pack of D12-3 rocket motors. Igniters and plugs included. These are same motors, which used to be sold in 3 Pack (est1666).
D12-5 model rocket engine. 2 pack
2 Pack of D12-5 rocket motors. Igniters and plugs included.
D12-7 model rocket engine. 2 pack
2 Pack of D12-7 rocket motors. Igniters and plugs included. These are same motors, which used to be sold in 3 Pack (est1668).
D21-4T model rocket engines. 3 Pack (18 mm)
This motor has a huge lift-off thrust and bright blue flame. Perfect for the large rockets, even those having 24mm motor mount (adapter is required)....