This posses the questions, were there any modifications to the merlin XII engine that allowed it to work at the higher boost for the extended periods in 1941?
Or was it a decision based on accepting reduced engine life to keep the aging MKII competitive in air combat?
Or were the 1940 limits too conservative so they were increased?
Last edited by Skoshi Tiger; 06-09-2012 at 11:05 AM.
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