1. The first double acting icebreaker, Azipod-equipped river icebreaker draft when moving astern. 2. Shock absorbers were now hydraulic and of the double acting piston type. 3. The hybrid between piston and rotary configuration is a double acting engine. 4. This was one of the first demonstrations of the double acting ship principle. 5. A double acting design is therefore required to both push and pull the telescoping mechanism. 6. Double acting ships carrying liquid cargo are generally referred as "'double acting Aker Arctic Technology Inc. 7. Thus, one may have a horizontal direct-acting engine, or an inclined compound double acting engine, etc. 8. The cylinders are double acting , with steam admitted to each side of the piston in turn. 9. Double acting ships carrying liquid cargo are generally referred as "'double acting Aker Arctic Technology Inc.10. A double acting ship, " Svalbard " is designed to break ice both ahead and astern.
