they would fly close to maximum allowed TAS in level flight, about 40 kts faster than specified on the flight plan
145 + 40 = 185 For 50 years I've thought that 185 was as fast as the Pig would fly now I know why. IIRC it caused a 20% increase in fuel consumption.
This was used if the pilot had a date that night
No he was frightened of his wife's wroth if he was late for her dinner party.
I think he was 30 minutes late anyway!