Tunul antiaerian Bofors, cal. 40 mm, md. 1930
Tunul antierian Bofors, model 1930, calibrul 40 mm.
Specificatii tehnice
Calibru40 mm
Lungime totala5200 mm
Lungime teava2280 mm
Camp de tragere verticalde la -5° la +90°
Camp de tragere orizontal360°
Lungime recul200-250 mm
Greutate in actiune2150 kg
Greutatea tevii103 kg
Greutatea mecanismului de tragere195kg
Greutatea proiectilului exploziv0,95kg
Viteza initiala proiectil850 m/s
Cadenta de tragere teoretica120 lovituri/minut
Cadenta de tragere practica90 lovituri/minut
Capacitate incarcator8 proiectile
Bataie maxima orizontala12000 m
Bataie maxima verticala3000 m
 Sus
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Dénes Bernád  (1 aprilie 2007)
The Hungarians also built this cannon under licence. Here are the technical specs.:

DESCRIPTION:	light antiaircraft and antitank cannon

SHORT HISTORY:   the 4.0 cm Bofors antiaircraft guns were widely licensed and used during the Second World War (US Navy, Soviet Army, British Army), as they were probably the best in their category. Hungary bought the license in 1936, and MAVÁG manufactured them until 1945. The gun was used both as a towed antiaircraft piece, and in self-propelled Nimróds as both antitank and antiaircraft.


Manufacturer:		DIMÁVAG
Manufacturer's designation:	4.0 cm Bofors Model 36	
Years of production:		1938-1945
Honvédség's designation:	36 M könnyü légvédelmi ágyú
Number in inventory:		534+363+135 for Nimróds (1938-1944)
		
Caliber:		40.0 mm
Length of the barrel:		2,250 mm
Muzzle velocity:		850 m/sec 
Range - horizontal:		7,000 m		
Range – vertical:		3,000 m		
Elevation:		-5o, +85o
Traverse:		360o	

Weight of the gun:		2,100 kg 
Weight of the projectile:		0.95 kg (HE)
Rate of fire:		120 rounds/min. 
Magazine:		straight, 8 rounds 

Towing mode:		light trucks 

Note:   Could fire also armor-piercing rounds, and so could be used against ground targets. Very modern construction, excellent properties, light. In 1944, 42/a M armour piercing stick grenades used for anti-tank role (9.2 kg total weigh, 2.6 kg explosive charge, muzzle velocity 105 m/s, max. range 700 m, effective range 200 m, capable to penetrate 160-180 mm armor).
Orders placed: 112+186+16+64+17+215+450=1084 pcs. (of this number 150 were for German export. Of this, 60 pcs. were returned by the Germans for defense of Transylvania in Sept. 1944).

Dénes Bernád  (1 aprilie 2007)
AFAIK, the manufacturer's designation was 4.0 cm Bofors Light Antiaircraft Cannon, Model 36.

Wesley Thomas  (16 martie 2007)
It is difficult to imagine this weapon being designated "M-1930" in Romanian service as the first land service Bofors guns did not go into service until 1934-1935 (the M-1934 [Bofor's own designation] was the first of the land service Bofors guns built after the Dutch Navy took delivery of some naval mounts in 1932).