Bofors L/70 Mk.1 (57 mm)

Description

The 57 mm Bofors L/70 Mk.1 is a naval autocannon designed to engage both air and surface targets. It was developed form the earlier Bofors 57 mm L/60, a twin-barrel naval autocannon, basically a scaled-up version of the 40 mm Bofors L/60 Mark 1.

Vehicles equipped with this weapon

• Begleitpanzer 57

General info

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Available ammunition

Penetration statistics
Ammunition	Type of warhead	Penetration @ 0° Angle of Attack (mm)
		10 m	100 m	500 m	1,000 m	1,500 m	2,000 m
57x438 AP-T	APCBC	137	133	119	103	89	77
57x438 SAP-T	SAPHEI	47	46	41	35	31	26
57x438 HE-T	HE*	11	11	11	11	11	11
57x438 HE-VT	HE-VT*	11	11	11	11	11	11

Shell details
Ammunition	Type of warhead	Velocity (m/s)	Projectile Mass (kg)	Fuse delay (m)	Fuse sensitivity (mm)	Explosive Mass (TNT equivalent) (g)	Ricochet
							0%	50%	100%
57x438 AP-T	APCBC	950	2.7	N/A	N/A	N/A	48°	63°	71°
57x438 SAP-T	SAPHEI	950	2.7	1.2	9	510	79°	80°	81°
57x438 HE-T	HE*	1,020	2.4	0	0.1	765	79°	80°	81°

Shell details
Ammunition	Type of warhead	Velocity (m/s)	Projectile Mass (kg)	Fuse delay (m)	Fuse sensitivity (mm)	Arming distance (m)	Trigger radius (m)	Explosive Mass (TNT equivalent) (g)	Ricochet
									0%	50%	100%
57x438 HE-VT	HE-VT*	1,020	2.4	0	0.1	500	6	765	79°	80°	81°

Comparison with analogues

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Usage in battles

The 57 mm Bofors L/70 cannon will face MBTs and heavy tanks, but it can still make work of its capabilities. When dealing with other ground units, the key here is to be on the flank of the enemy as most side armour of MBTs, NATO and Soviet can be pierced with the 57 mm AP rounds. As the 57 mm does not have an explosive filler with its AP shell, and SAPHEI being near useless, the cannon requires to aim at key components such as ammo rack or general area where the crew sits. With your high rate of fire rate, you can disable most targets and not worry where to aim for the most part with the APCBC shell. Although the 57 mm has access to SAPHEI and can overpressure enemies, it's mainly only effective against lightly-armoured vehicles.

Against aircraft, HE-VT is very effective, having a good velocity and damage to disable targets. Helicopters will stand no chance against the 57 mm once they are spotted, and a few volleys of HE-VT will heavily damage them at least to hinder their combat capabilities. Against jets and other aircraft, the 57 mm has just enough rate of fire to disable jet aircraft, though you will have to lead more the faster they are.

Pros and cons

Pros:

• Good rate of fire for its calibre
• Good anti-tank capabilities with the APCBC
• Access to HE-VT shells

Cons:

• SAPHEI is near useless except on light vehicles
• No APFSDS unlike its 40 mm variant

History

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Media

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See also

• S-68 (57 mm)
• AU-220 (57 mm)

External links

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