Bf 109 F-4

Modification of: Bf 109 F
Produced: 1,841
Changes: DB 601 E with a broader-blade propeller and the MG 151/20 Motorkanone; the engine was limited to 1,200 PS until the full 1,350 PS was cleared by February 1942. The total covers all F-4 versions built May 1941 to May 1942, among them 576 F-4 trop, 544 F-4/Z with GM-1 and 240 F-4/R1.
Crew: 1
Length: 8,940 mm
Wingspan: 9,920 mm
Wing area: 16.05 m²
Normal takeoff weight: 3,150 kg
Engine: Daimler-Benz DB 601 E
Engines: 1
Diameter: 3,000 mm
Blades: 3
Pitch: Constant speed
Service ceiling: 12,000 m

Armament

Weapon	Count	Rounds	Position	Synchronized
MG 17	2	500	Fuselage	True
MG 151/20	1	200	Hub	—

Name	From	Changes	Armament
300 L drop tank	—	—	—
R1	Jan 1942	Two MG 151/20 in underwing gondolas; 240 F-4/R1 built by WNF in the first quarter of 1942.	MG 151/20 ×2

≈ 3 Jul 1941 – Aug 1942

≈ Jun 1941 – Jul 1942

≈ Dec 1941 – Oct 1942

≈ Sep 1941 – Dec 1942

≈ Jul 1942 – Oct 1942

≈ 15 Oct 1942 – Apr 1943