The second difference is that they are longer in length than traditional rocket motors. This allows for a longer thrust phase, that makes for a real impressive launch. For competition and sport models, Apogee High Performance Model Rocket Motors are the best choice. Click here for a list of other features of the Micro motors. Complete instructions with actual thrust-time curves, Power Punch Igniters , and biodegradable wooden igniter holders are included with each package of rocket motors.
All figures shown below are optimum performance.
Maximum lift-off weights are based on a tube diameter of 13 mm and a Cd of 0.55. Motors are shipped via Parcel Post. Never exceed the maximum lift-off mass of Apogee rocket motors. Maximum lift-off weight should always be determined using a computer simulation. Download the free demo of RockSim if you need assistance in determining the proper motor for your rocket.