Zarvan
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- Let's see:
- Challenger 2 got new turret, L30A1 tank gun, Fire control and sight systems, as well as drive systems including a new engine.
Challenger 2 is an extensive redesign of the Challenger 1. Fewer than 5% of components are interchangeable, although the hull and automotive components, namely the powerpack seem similar, they are of a newer design and build to that of Challenger 1.
- Jordanian Al-Hussein upgrade included:
- The 120 mm L11 gun has been removed and replaced by a Swiss RUAG Land Systems 120 mm smoothbore Compact Tank Gun (CTG).
- New turret system (Christopher F Foss)
- The existing Marconi fire-control system has been removed and replaced by the latest Raytheon IFCS. This includes a day/thermal sight for the gunner with integrated laser range-finder.
- Commander's Independent Thermal Viewer (CITV)
- Al Hussein Hybrid would be fitted with additional armour protection to the turret front and sides for improved battlefield survivability.
- 12.7 mm Coaxial Machine Gun
- High speed, High acceleration and improved stab quality Digital Gun Drive System.
- Commander’s Panoramic Sight with day and night thermal channels
- Commander’s touch screen Display panel, displaying day and night video channels from both Gunner’s Sight and commander’s Panoramic Sight, and equipped with GPS and moving map capabilities
- Electronically controlled tank Electrical System.
- Driver’s Instrument Panel.
- 120 mm Ammunition Storage System
- Crew Air Conditioning System (cooling and heating)
- New smaller NBC System
- External Lighting
- The existing gun-control equipment would be replaced by a new Curtiss-Wright all-electric system and a new Raytech Jordan wiring harness would also be installed, as well as a CLS Jordan AB8 auxiliary power unit (APU).
- New mechanical load-assist system developed by Claverham, which replaces the current bustle-mounted NBC system that is restowed in the hull.
So according to you they are almost close to each other am I right ?