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QF 2-pounder Mark VIII 4-barelled
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CGI / Digital 3D Model
QF 4.7inch Mark VIII naval gun
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Description
The QF 4.7-inch Mark VIII was a British heavy naval anti-aircraft gun designed in the 1920s. It holds a unique place in British naval history as the largest caliber weapon utilizing fixed ammunition (where the shell and propellant casing are handled as a single unit) ever to serve with the Royal Navy.
Technical Specifications
| Format | Lightwave 2018, OBJ, FBX, Blender 2.79 |
|---|---|
| Compatibility | 3ds Max, Blender, Cinema4D, Houdini, Lightwave, Maya, Unity, Unreal Engine, Other |
| Rigged | Lightwave |
| Geometry | Polygon mesh |
| Polygons Number | 50k |
| Textures | PBR |
| UV Mapping | Yes |
Historical Background
Service History & Vessel Deployment
Introduced into service in 1927 and used throughout World War II, a total of 84 units were built. Rather than being deployed on standard destroyers, which used different 4.7-inch models, the Mark VIII was carried in powered high-angle (HA XII) mountings on capital ships, aircraft carriers, and specialized support vessels:
• Nelson-class battleships (HMS Nelson and HMS Rodney)
• Courageous-class aircraft carriers (HMS Courageous and HMS Glorious)
• HMS Adventure (Cruiser-minelayer)
• HMAS Albatross (Australian seaplane tender)
Key Technical Specifications
Actual Bore Diameter: 4.724 inches (120 mm)
Barrel Length: 189 inches (45 calibers)
Total Weight (Gun & Breech): 6,636 lbs (3,010 kg)
Ammunition: Fixed QF; ~50 lb (23 kg) HE projectile; total round weight 74–76 lbs
Rate of Fire: 8 to 12 rounds per minute (maximum 15 rpm)
Muzzle Velocity: 2,457 ft/s (749 m/s)
Maximum Horizontal Range: 16,160 yards (14,780 m) at 45° elevation
Anti-Aircraft Ceiling: 32,000 feet (9,800 m) at 90° elevation
Breech Mechanism: Horizontal sliding block (semi-automatic)
Despite being an innovative heavy anti-aircraft weapon when designed, the weight of its 75-pound fixed rounds made continuous manual loading physically exhausting for gun crews during sustained engagements. Because the round had to be kept manageable for a human loader, it was physically shorter and carried less propellant than the separate-loading ammunition used by later weapons, such as the QF 4.5-inch gun.
Introduced into service in 1927 and used throughout World War II, a total of 84 units were built. Rather than being deployed on standard destroyers, which used different 4.7-inch models, the Mark VIII was carried in powered high-angle (HA XII) mountings on capital ships, aircraft carriers, and specialized support vessels:
• Nelson-class battleships (HMS Nelson and HMS Rodney)
• Courageous-class aircraft carriers (HMS Courageous and HMS Glorious)
• HMS Adventure (Cruiser-minelayer)
• HMAS Albatross (Australian seaplane tender)
Key Technical Specifications
Actual Bore Diameter: 4.724 inches (120 mm)
Barrel Length: 189 inches (45 calibers)
Total Weight (Gun & Breech): 6,636 lbs (3,010 kg)
Ammunition: Fixed QF; ~50 lb (23 kg) HE projectile; total round weight 74–76 lbs
Rate of Fire: 8 to 12 rounds per minute (maximum 15 rpm)
Muzzle Velocity: 2,457 ft/s (749 m/s)
Maximum Horizontal Range: 16,160 yards (14,780 m) at 45° elevation
Anti-Aircraft Ceiling: 32,000 feet (9,800 m) at 90° elevation
Breech Mechanism: Horizontal sliding block (semi-automatic)
Despite being an innovative heavy anti-aircraft weapon when designed, the weight of its 75-pound fixed rounds made continuous manual loading physically exhausting for gun crews during sustained engagements. Because the round had to be kept manageable for a human loader, it was physically shorter and carried less propellant than the separate-loading ammunition used by later weapons, such as the QF 4.5-inch gun.
Additional Information
The model was created based on blueprints, photos and historical documentation. It was created with precision in detail and in real units of measurement to be a faithful digital reproduction of the original. The object has been modeled in Lightwave and finished and texturized in 3DCoat.
LIGHTWAVE 2018 - The model comes with a simple Lightwave 2018 setup scene to animate pitch and heading rotation.
OBJ and FBX - model with UV maps. You may need to reassign textures when open the files with different software.
BLENDER 2.79 - UV model with uv material assigned
The object has two UV maps, each one with color, normal, roughness, metalness and
LIGHTWAVE 2018 - The model comes with a simple Lightwave 2018 setup scene to animate pitch and heading rotation.
OBJ and FBX - model with UV maps. You may need to reassign textures when open the files with different software.
BLENDER 2.79 - UV model with uv material assigned
The object has two UV maps, each one with color, normal, roughness, metalness and
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