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Motor Classification

The motors are identified by a series of letters and numbers such as:

G - is the motor's total impulse classification letter (in Newton Seconds) - More Details
64 - is the average impulse of the motor (in Newtons - divide by 10 to obtain an approximate value of the average thrust in kg - in this case, the value would be 6.4 kilograms).
4 - is the ejection charge delay from propellant burn-out (in Seconds). Cesaroni motors have customisable delays up to ~13 seconds, so lack this number.
W - is the propellant type (T - Blue Thunder, W - White Lightning, J - Black Jack). This is only present with Aerotech motors

Each motor comes with an instruction sheet and a single igniter.