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At a glance
75/24 Pack Howitzerlarger figure on 1 of 1
Oerlikon 20 mm cannonlarger figure on 0 of 1
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
L70 Total gun barrel weight
Single sourceL85 Empty
Single sourceConfiguration
| Specification | 75/24 Pack Howitzer | Oerlikon 20 mm cannon |
|---|---|---|
| Type | Howitzer[source] | Autocannon[source] |
| Place of origin | India[source] | Switzerland[source] |
| Used by | India[source] | — |
| Designer | ARDE[source] | Reinhold Becker[source] |
Loaded with 200 rounds
Single sourceMinus breech mechanism
Single sourceL70 Total gun barrel weight: 68.04 kilograms (150.0 lb ) Minus breech mechanism: 20.865 kg (46.00 lb) L85 Empty: 92.0 kilograms (202.8 lb ) Loaded with 200 rounds: 182.0 kg (401.2 lb)[source]
Effective; Against low-flying aircraft (HE round) L70
Single sourceEffective; L85
Single sourceMaximum; HE round at 45° L70
Single sourceMaximum; L85
Single sourceAgainst low-flying aircraft (HE round) L70: 914 m (1,000 yd) L85: 1,500 m (1,600 yd)[source]
HE round at 45° L70: 4,389 m (4,800 yd) L85: 6,800 m (7,400 yd)[source]
Barrel length
Single sourceBarrel length L85 Overall: n/a Barrel length
Single sourceL70 Overall
Single sourceL70 Overall: 2,210 mm (87 in) Barrel length: 1,400 mm (55 in) L85 Overall: n/a Barrel length: 1,700 mm (67 in)[source]
L70: Cyclic · source measurement 1
Single sourceL70: Cyclic · source measurement 3
Single sourcePractical L85: Cyclic
Single sourceL70: Cyclic: 450 rounds per minute Practical: 250-320 rounds per minute L85: Cyclic: 900 to 1,000 rounds per minute[source]
L70
Single sourceL85
Single sourceL70: 820 m/s (2,700 ft/s) L85: 1,050 m/s (3,400 ft/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Manufacturer | Ordnance Factory Board[source] | Oerlikon Oerlikon Contraves[source] |
|---|
| In service | — | 1937–present[source] |
|---|
| Wars | — | World War II Nigerian Civil War[source] |
|---|
| Designed | — | 1935[source] |
|---|
| Produced | — | 1937−1995[source] |
|---|
| No. built | — | 124,734[source] |
|---|
| Variants | — | Oerlikon FF MG FF cannon[source] |
|---|
| Shell | — | L70: 20×110mmRB L85: 20×128mm[source] |
|---|
| Shell weight | — | HE: 123 g (4.3 oz) HE/T: 116 g (4.1 oz)[source] |
|---|
| Barrels | — | Single barrel (progressive RH parabolic twist, 9 grooves)[source] |
|---|
| Action | — | API blowback Gas operated, power reserve loading[source] |
|---|
| Elevation | — | Manual, -15°/+90°[source] |
|---|
| Traverse | — | Manual, full 360°[source] |
|---|
| Feed system | — | Cylindrical magazine holding 60 rounds; later adjusted for belt-fed gun[source] |
|---|
| Reported operators |
| — |
|---|