FH77 Self-Propelled Guns - Variants
CD-80 Karin / Karelin
In 1972, the Swedish Ministry of Defense requested that Bofors develop a new mobile coastal defense gun, Sweden being one of the last countries with a dedicated coastal defense artillery organization. In order to save time and money, the new system, designated CD-80 Karin, was designed using the carriage of the FH-77A, which was then under development. The ordnance was a 120 millimeter mortar instead of the 155 millimeter gun, a revised laying system was applicable to moving targets at sea, and a new ammunition feed system ws provided.
The KARIN was the towed 120mm version, KARELIN was the 155mm (CD 77) Bofors type on a 6x6 truck mount Volvo chassis. Demonstrator had become a word of words in Swedish Defense Terminology. The term began to be used by FMV in the principles of material procurement were observed beyond the 1996 defensive decision (FB 96). This decision made it clear that the way of procuring military equipment for the armed forcesn eeded to be renewed. FMV conducted an over-view of alternative methods for the future and reported a model named "Evolutional acquisition".
Artillery performs with new (and old) artillery systems with the purpose of developing artillery skills to be able to claim a future system. Two modern designs were "borrowed" artillery system, "Panzerhaubitz 2000" and AS 90 "Braveheart" as well as utilized wheel-going trucks "Karelin" and "77BDI". This can be said to be a demonstrator program to develop new methodology and combat technique. With original meaning, it was really just "Karelin" which was a demonstrator. This was presented with the purpose of competence development.
FH-77 BD 6x6 SPG
The Fh-77 BD is a further development of the prototype system, which mounts the elevating mechanism of the earlier version, Fh-77B 155 mm towed artillery system on a commercial 6X6 articulated all-terrain chassis. This was originally developed as a private venture but was subsequently funded by the Swedish Defence Material Administration with two versions developed and tested by the Swedish Artillery School.
In March 2000 it was reported that the latest version of 155 mm Bofors guns would be sent to India for extensive field trials on "no-cost, no-commitment" basis in May 2000s. The Indian defence ministry accepted Bofors Weapons Systems' offer to send the 45-calibre FH-77 BD, the towed version of which was already in use with the Indian army, for trials. India invited a number of companies to demonstrate their 155 mm artillery systems in a bid to finalise its choice to meet the army's requirement of about 200 more field howitzers. The FH-77 BD 6x6 self-propelled artillery system and French Giat Industries Caesar 6x6 155mm 52-calibre systems are seen as possible alternatives to the towed weapon systems. Compared with conventional full-tracked self-propelled artillery systems, these weapons would be cheaper to procure and maintain and offer greater strategic mobility.
FH-77AD 6x6 SPG
In early October 2001 it was reported that the Indian government wanted to buy around 3,000 additional FH-77 howitzers. A self-propelled artillery competition -- pitting the Celsius (Bofors) FH-77AD against the Denel LIW T-6 -- was undertaken as part of its Field Artillery Rationalization Plan. The main advantages that the Celsius FH-77AD offered over the Denel T-6 is that it was based on a proven and easy to maintain 6X6 Volvo truck chassis. The Arjun tank chassis to be used by the Denel T-6, in contrast, had yet to enter full service.
The FH-77AD vehicle is a modified FH-77 towed howitzer on all-terrain truck chassis. Spades are lowered at the rear of the vehicle before firing the howitzer. The cab of the FH-77AD is armored, and the armor applies to all angles of fire against the cab, instead of just fire originating from the front of the vehicle. This vehicle was designed to quickly lead to more mobile artillery.
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