1. Most prevalent work principle for CSH is Bell Crank Mechanism. 2. The Bell crank lever rotates around the Fulcrum point. 3. The air pump was driven by a bell crank from the LP tail rod. 4. Two bogie wheels were suspended on a single bell crank with two bell cranks per side. 5. Two bogie wheels were suspended on a single bell crank with two bell cranks per side. 6. The short drive shaft operated a screw sleeve, which extended to work a bell crank . 7. However, the mounting posts for the bell cranks caused cracks in the main frame tubes. 8. Steering knuckles and the top wishbone / bell crank are also specially manufactured in an aluminium alloy. 9. The links were placed in a horizontal instead of a vertical position, and were operated by two bell cranks . 10. These were linked along a common shaft . Suspension was to use the'Japanese Type'bell crank suspension used on the A7.