87.5mm Mortar
| 87.5mm Mortar | |
|---|---|
| [[File:|300px]] | |
| Medium battalion-level mortar system | |
| Service Data | |
| Classification | Medium infantry mortar |
| Type | Vehicle-carried / dismountable indirect fire weapon |
| Origin | Gondara |
| Manufacturer | Gondaran State Arsenals |
| Used By | Army of Gondara |
| Design Date | 1934 |
| Service Entry | 1937 |
| Cost | ~1,800 G |
| Technical Data | |
| Crew | 4–5 (Gunner, Assistant Gunner, 2–3 Ammunition Bearers) |
| Caliber | 87.5mm |
| Barrel Length | ~45 in |
| Operation | Drop-fired, smoothbore |
| Carriage | Reinforced baseplate and bipod (vehicle mount compatible) |
| Weight | ~120 lb (complete system) |
| Elevation | 45° to 85° |
| Traverse | Limited (bipod-adjusted) |
| Rate of Fire | 10–18 rounds per minute |
| Muzzle Velocity | ~400 ft/s |
| Effective Range | ~300–3,200 yd |
| Maximum Range | ~3,600 yd |
| Ammunition | HE, Smoke, Illumination |
| Towing | None (vehicle carried) |
| Deployment | Battalion-level fire support (vehicle primary, dismounted emergency use) |
Overview
The 87.5mm Mortar is Gondara’s standard battalion-level mortar system, designed to provide sustained indirect fire support beyond the capability of light infantry mortars. It is primarily deployed as a vehicle-carried system but retains the ability to be dismounted and operated independently when required.
The system bridges the gap between platoon-level mortars and heavy artillery, offering increased range, explosive payload, and battlefield impact while maintaining limited tactical flexibility.
Design Characteristics
The 87.5mm Mortar is a medium-weight, smoothbore, drop-fired system consisting of a reinforced barrel, baseplate, and bipod assembly designed for both vehicle integration and ground deployment.
Key design features include:
- Reinforced construction to handle increased recoil and sustained fire
- Vehicle-mount compatibility for rapid deployment
- Dismountable configuration for emergency or terrain-restricted use
- Improved stability over lighter mortar systems
While technically man-portable, the system is not intended for routine infantry carry and is normally transported by vehicle.
Weight and Transport
The mortar is designed to be transported by vehicle under normal conditions.
Typical breakdown:
- Barrel: ~50 lb
- Bipod: ~35 lb
- Baseplate: ~35 lb
In emergency conditions, the system can be dismounted and carried short distances by the crew.
Ammunition is transported separately, typically via vehicle or dedicated ammunition teams.
Armament
Primary Weapon
- 87.5mm mortar
- High-angle indirect fire system
- Capable of sustained fire missions
- Significantly greater explosive payload than light mortars
Ammunition
The 87.5mm Mortar fires a standardized medium mortar ammunition family.
Available ammunition types include:
- High Explosive (HE)
- Primary anti-personnel and light fortification round
- Smoke
- Used for concealment, screening, and signaling
- Illumination
- Provides battlefield lighting for night operations
The increased shell size allows for greater blast and fragmentation effects compared to light mortar systems.
Operation
The mortar is operated by a four to five-man crew:
- Gunner
- Responsible for aiming and elevation
- Assistant Gunner
- Assists in stabilization and adjustments
- Ammunition Bearers
- Supply rounds and maintain firing rhythm
Firing sequence:
- Mortar is emplaced using baseplate and bipod
- Elevation and direction are set
- Round is dropped into the barrel
- Weapon fires upon contact with firing pin
The system supports sustained fire operations but requires coordinated crew effort.
Operational Use
The 87.5mm Mortar is employed for:
- Battalion-level indirect fire support
- Suppression of enemy infantry and defensive positions
- Engagement of targets beyond light mortar range
- Smoke deployment for maneuver operations
- Night illumination
It is typically deployed as part of a dedicated mortar section within battalion support elements.
Deployment Doctrine
The 87.5mm Mortar operates primarily as a vehicle-supported system.
Typical roles include:
- Battalion fire support asset
- Integration with mechanized and motorized infantry
- Rapid deployment via transport vehicles
- Emergency dismounted operation when required
The system emphasizes sustained fire capability over mobility.
Limitations
The 87.5mm Mortar has several inherent limitations:
- Not suitable for continuous infantry carry
- Requires vehicle support for efficient operation
- Reduced mobility compared to light mortars
- Higher logistical demand for ammunition
These limitations are offset by increased range, firepower, and sustained fire capability.
Summary
The 87.5mm Mortar provides Gondaran forces with a reliable battalion-level indirect fire capability. By balancing increased firepower with limited portability, it serves as a critical link between light infantry mortars and heavy artillery systems.