Cygnus - Klima31,90 €
Equinox - Klima27,50 €
Estes motors B4-2
When burntime is more important than thrust. A motor for lightweight to medium weight rockets that require a longer thrust duration.
Secure payments: Credit Card, PayPal, Bank Transfer
Fast Shipping - We ship worldwide
Easy returns for kits and accessories
Pack of 3 Estes type B4-2 engines, diameter 18 mm
When to use this engine
It is a very versatile engine, required by a large number of Estes kits. The thrust duration is slightly longer than other B engines so this engine is a good choice when you want to push relatively light models at high altitudes.