One of the best books on the 109 F until K has been released by aviatic Verlag. Authors are Willy Radinger & Wolfgang Otto.
Bf 109 F-0
10 pre serial planes
Armament:
2 x MG17
1 x MG FF/M
Engine:
DB 601N
All pre serial F-0s have been built in Regensburg
BF 109 F-1
same as above but different radio equipment
Bf 109 F-2
Engine:
DB 601N
Armament:
2 x MG 17, 1 x MG151/15
Variants: F-2/B fighter bomber (ETC 250 bombrack), F-2/Z GM-1, F-2/trop (different air intake, 1175 hp @ 2600 U/min takeoff power)
Bf 109 F-3
just a project
Bf 109 F-4
Engine:
DB 601 E (1350 hp takeoff power)
Armament:
2 x MG17 1 X MG151/20
Variants: /B, /Trop, /Z (Z with GM-1)
Field Mods: R1 (2x 151/20 in underwing gondolas), R6 (ETC for 295 l droptank or 1 SC 250)
.......
I will type the rest when I am sober again
Cheers & Horrido
-were- (some people may know me from ROF, 9./JG2 or with +)