B4 motors without delay and ejection charge, for first stage or booster stages.
The ideal booster for small-sized multi-stagers. With the B6-0 you can make multi-staged rockets of small size.
Pack of six B4 engines with 4 seconds delay. For Klima rockets and any other model rocket for 18 mm diameter motors. NEW: includes 6 high reliability electric starter
Average duration for any type of rocket. One of the most versatile engines, suitable for the most part of rockets made for 18 mm motors.
Pack of 24 rocket motors, most used types. It's a convenient package for groups, clubs, teachers, school projects. Includes igniters and flameproof wadding.
Maximum versatility for any rocket.Among the most used rocket motors ever, the Estes B6-4 is the motor suitable for the largest majority of Estes and similar rockets.
The right thrust for heavy model rockets.The B6-2 is the best engine for the heaviest of the rockets which use B engines.
When burntime is more important than thrust. A motor for lightweight to medium weight rockets that require a longer thrust duration.
Pack of 24 engines type B6-4, convenient for clubs, school projects, educators.