Rocket motors B6-4 (Pk3)

Estes B6-4 engines. This pack contains 3 engines with 4 igniters and 4 plugs.

The engine name is made up of 3 identifiers.
B = The engines impulse, each letter doubles. The A motors have 2.5N/s of impulse. (B engines would have 5N/s and C engines 10N/s).
6 = The average thrust in newtons during the burn.
4 = The delay before the parachute ejection charge goes off. 0 means a booster stage, and P means a plugged motor with no ejection.

Our motors are currently out of stock. All orders for these will be held on back order and shipped once back in stock. Due date to be confirmed.