I'm sorry lane, I got that part wrong, I stand corrected. The Merlin Mk XX was used introduced in August, first it was fitted to modified Mk Is made to Mk II standard at the factory, then on the Hurricane Mk II which was introduced to squadron service in September 1940. So it was indeed present in the BoB.
Regardless the salient point still stands in that CoD does not have a flyable aircraft with a Merlin XX. I think it is worth mentioning that the Merlin XII of the Spitfire Mk II introduced a 70/30% water/glycol coolant mix. This new mix improved cooling abilites and was safer than the 100% glycol mix of the earlier Merlin Variants as used in the Mk Ia. Having said that, it was not a magic mixture that = no more overheat.
I agree with Seadog that we need +12lbs boost for the RAF fighters, but I dont agree it could be used all day long without potential consequences. Incidentally the Spitfire Mk IIa is already running at +12lbs boost speeds.
Last edited by ICDP; 06-06-2011 at 06:02 PM.
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