Duty Cycle for continuous (Airstart) ignition
5 minutes ON - 30 minutes OFF for cooling (SN 1000 - 1249 w/o ASC 304)
No limitation on the ignition when?
30 second ON - 30 second OFF cycle (SN 1000 - 1249 w/o ASC 304)
What does ASC 304 or SN 1250 and sub do?
removes the duty cycle time limitation for continuous (Airstart) ignition.
Engine Starter Duty Limit
3 crank cycles 30 seconds per cycle
3 minutes between start attempts
After 3 cycles, delay use of the starter for at least 15 minutes
Engine Fuel Flow
No Limitation Markings
Engine Pressure Ratio (EPR)
None
Pilot Selectable Command Marker
0.85 to 2.0