The improvement is a protective circuit comprising a speed limiting control responsive to engine speed to apply to the trigger of one of the switches {TAIL ~ a disabling signal} to cause the switch to conduct and discharge the capacitor in response to {HEAD ~ a predetermined response speed} 
The improvement is a protective circuit comprising a speed limiting control responsive to engine speed to apply to the trigger of one of the switches { TAIL ~ a disabling signal } to cause the switch to conduct and discharge the capacitor in response to { HEAD ~ a predetermined response speed }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD