Quote:
Originally Posted by ICDP
Meaning that at some stage prior to the Merlin XX was introduced strip inspections were required after overboost was used. Good info, it seems +12lbs boost on the Merlin II, III and XII was limited to a short amount of time... oh I don't know, 5 minutes maybe  |
No strip inspections were not required on the Merlin III when using 12lb boost for less than 5min and probably not when used for more, depending on the state of the oil filter upon inspection. Dowding's memo is clear on this.