Great Wartime article Viper. Thanks for posting that.
http://www.flightglobal.com/pdfarchi...0-%200569.html
http://www.flightglobal.com/pdfarchi...0-%200563.html
http://www.flightglobal.com/pdfarchi...0-%200562.html
An article definitely written to contain the public relations damage from intelligence on German fuel metering technology.
Rolls Royce's basic message is the German engines are not as efficient as they could be and only somewhat more efficient than the our engines.....
AND we can make a carburetor heat system that will overcome icing....