A light AA gun made by Vickers used during World War I. Does not appear to have been very successful, as none survived in service by 1939. Austria-Hungary purchased a license from Vickers in 1900 and built 140 units by 1903.
| Designation | Vickers 1.5-pdr Mark I |
|---|---|
| Ship Class Used On | British: A few cruisers
Austria-Hungary: Erzherzog Karl, Sankt Georg and Monarch classes |
| Date Of Design | about 1910 |
| Date In Service | 1914 |
| Gun Weight | 126 lbs. (57 kg) |
| Gun Length oa | N/A |
| Bore Length | 62.8 in (1.595 m) |
| Rifling Length | N/A |
| Grooves | N/A |
| Lands | N/A |
| Twist | N/A |
| Chamber Volume | N/A |
| Rate Of Fire | N/A |
| Type | Fixed |
|---|---|
| Weight of Complete Round | HE: N/A |
| Projectile Types and Weights | HE: 1.5 lbs. (0.7 kg) |
| Bursting Charge | 0.16 lbs. (0.07 kg) |
| Projectile Length | N/A |
| Propellant Charge | N/A |
| Muzzle Velocity | HE: 2,100 fps (640 mps) |
| Working Pressure | N/A |
| Approximate Barrel Life | N/A |
| Ammunition stowage per gun | N/A |
| Elevation | Distance |
|---|---|
| 45 degrees | about 2,000 yards (1,830 m) |
| AA Ceiling | N/A |
| Designation | Pedestal Mount Mark I and Mark II 1 |
|---|---|
| Weight | N/A |
| Elevation | -5 / +80 degrees |
| Elevation Rate | Manually operated, only |
| Train | 360 degrees |
| Train Rate | Manually operated, only |
| Gun recoil | N/A |
- ^The Mark I was a free-standing mount operable by a single crewman while the Mark II was a two-man mounting with seats for the trainer and pointer.
The Vickers Photographic Archive
Mark I Mounting: 2833
and 2834
Mark II Mounting: 4886
"Naval Weapons of World War One" by Norman Friedman
"World Warships in Review 1860-1906" by John Leather
"British Cruisers of World War Two" by Alan Raven and John Roberts
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Tony DiGiulian's personal data files
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Special help from Daniel Muir
05 September 2006 - Benchmark
07 December 2011 - Updated to latest template
28 November 2015 - Changed Vickers Photographic Archive links to point at Wayback Archive
15 June 2023 - Converted to HTML 5 format
11 May 2025 - Added information about Austria-Hungary