DB-4/TsKB-56, S.V.Ilyushin

DB-4/TsKB-56, S.V.Ilyushin T win-engined long-range bomber, intended to replace the DB-3. It was slightly larger than DB-3, had shoulder wing and twin tailfins. It also differed by much larger bomb bay in fuselage and more powerful engines. It did not pass factory trials (October 1940) due to vibrations in tail structure and other defects. At the same time production of similar Yer-2/DB-240 started. Plus the AM-37 engine production discontinued in favor of the AM-38 for the Il-2. Attempts to re-engine DB-4 with M-120 or M-82 remained on paper. More Links... DB-4, Ilyushin TsKB-56, Ilyushin	Technical data
	Type	DB-4 TsKB-56
	Year	1940
	Crew	4
	Engines	2*1400hp Mikulin AM-37
	Length	17.85m
	Wingspan	25.0m
	Wing Area	83m²
	Empty Weight	7561kg
	Maximum Weight	10806kg
	Wing load	130kg/m²
	Power load	3.9kg/hp
	Speed (0m)	415km/h
	Speed (6000m)	500km/h
	Ceiling	10000m
	Armament
	Guns	3*mg7.62mm
	Bombs	3000kg(???)

Modified April 17, 1997
by Alexandre Savine;