This B6-6 motor from Estes has a long delay burn time of 6 seconds and so is suitable for high flying lightweight rockets where you require the chute to open closer to the ground. It is also suitable for use as the upper (sustainer) stage in a staging rocket.
B6-6
Specs:
Profile: Single Use
Primary Use: Single/Upper stage
Diameter: 18mm
Casing: n/a
Propellant: Black powder
Total Impulse: 5 N-secs
Burn time: 1.2 sec
Delay Time: 6 sec (adjustable)
No. of Grains: n/a
Initial Weight: 16.4g
Propellant Weight: 6.24g
Casing length: 70mm
You require: Model Rocket Recovery Wadding , Launching System