Estes B6-0 Rocket Engines (EST1608)

Estes B6-0  Standard 18mm Rocket Booster Engines (3-Pack) - Booster engine - no delay or ejection.

 

 

Estes Standard 18mm Engine 3-Pack.  Standard Estes engines fit the standard BT-20 body tube and are 2.75" (7.0cm) long and 0.69" (18mm)  in diameter. 

3 pack includes engines, instructions, igniters, and igniter plugs.