Fw 190D-9 Technical Details
by Thomas Davidson
Details of the Focke Wulf D-9 varient.
This line drawing from the D-9 parts manual clearly illustrates the massive Jumo 213 A-1
engine installed in the D-9. Its dry weight was something like 920 kg (2,420 lb).
This line
drawing also from the D-9 parts manual shows the FW 190 A-8 fuselage with
the added fuselage section (on the far right) needed for the D-9 to counter the
added bulk and length added by the inline Jumo 213 A-1 engine.
Dimensions of the D-9 taken from Werkschrift 2190 D-9, Teil 0, FW 190 D-9
Flugaeug-Handbuch, Allgemeine Angaben, Stand Oktober 1944.
D-9 instrument panel
Fuel for the Jumo 213 came from cells mounted directly below the pilot's "office".
Two cells were mounted using straps; a third cell (see below) directly behind the pilot
could either be used for fuel or for a mixture to momentarily increase engine power.
The 3rd fuel cell was mounted directly behind the pilot, where the radios in the earlier
190's were mounted until about 1943. Then the radio equipment was mounted
behind the excess door on the A/C's right side, upper behind the pilot.
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The FW 190 line was almost totally electric, that is landing gear retraction, flaps, fuel pumps, radios, navigation equipment, etc., etc.
The document below explains the selected conventions for naming electrical components and was applicable to all aircraft manufacturers.
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The photo above shows examples of the naming convention applied. This view from above is an actual FW 190 D-9 cockpit and several examples can be seen. Note "F 129" shown on the lower left of the radio volume control unit. Above the radio channel selector can be seen "F 114". The electrical flying suit connection is marked with "D 6" and so on. These same symbols, for example, can be found in the aircraft parts manual and electrical schematics.
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