Quote:
Originally Posted by Graham Boak
The prefix LF applies to the engine fit, not to the clipped wings.
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I now that, but I used it as a mental shortcut.
Quote:
Originally Posted by Graham Boak
Given that the Spitfire was built in Imperial units, conversion to metric simply introduces an additional source of error.
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I try to be as precise as possible, althoug it won't be 100% accurate.
Quote:
Originally Posted by Graham Boak
It talks of the desired engine being the RS 2M (P.127) Merlin XX. P.132 describes the RS 2M as the X, and the RS 3M as the XX.
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And I still don't know which is which. Unfortunately I don't have any books on the British piston engines.