11. This DIRAVI system is an addition to the integrated Citro�n hydropneumatic suspension and braking system. 12. It combined a small 55 horsepower flat-4 air-cooled engine with Hydropneumatic suspension. 13. The C5 had a further development of Citro�n's hydropneumatic suspension, now called Hydractive 3. 14. Hulls PT11 and PT17 were fitted with a hydropneumatic suspension based on the MBT-70 design. 15. The Type 4 is the first Japanese weapon to replace the hydrospring recoil system with the hydropneumatic . 16. The most notable W116 was the high-performance, limited-production self-leveling hydropneumatic suspension. 17. Two more hydropneumatic systems were connected to the subframes, which allowed the entire carriage to recoil some. 18. It utilized a newly developed hydropneumatic " kneeling " suspension and housed the entire crew in the large turret. 19. The car was fitted with controversial hydropneumatic suspension and water-cooled brakes at different points in its life. 20. The gun had interrupted screw breechblock; hydraulic recoil buffer and hydropneumatic recuperator were both mounted under the barrel.
