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Old 9th October 2012, 20:04
Larry Hickey Larry Hickey is offline
Alter Hase
Join Date: Dec 2004
Location: Boulder, Colorado USA
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Larry Hickey
Question about octane fuel requirements for DB601A and DB601N engines for the Bf109E


My understanding is that a Bf109E-4 (or any other E subtype) with an 87 in the octane fuel triangle below the fuselage fuel fill point indicated that the a/c had a standard DB601A engine. Whereas for the plane to be equipped with an upgraded DB601N engine it would have been indicated by a "100" for the octane rating in the fuel triangle. I know that the DB601N became standard for the "F" subtype, but I know that some 109Es also carried this more powerful engine and were thus designated as Bf109E-4/N subtypes.Do I understand this correctly?


Larry Hickey
EoE Project Coordinator
Larry Hickey
Eagles Over Europe Project Coordinator
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