From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Table of loading tests for front and rear springs.
| Identifier | ExFiles\Box 52\2\ Scan046 | |
| Date | 9th August 1922 guessed | |
| TABLE OF. LOADINGS RETURNED UNDER TEST BY MESSRS. ROLLS ROYCE FRONT & REAR SPRINGS. ----------------- Spring No. Deflection. Loading. cwts.qrs.lbs. Spring No. Deflection. Loading. cwts.qrs.lbs R E A R. {Sir Henry Royce} R E A R. {Sir Henry Royce} R.1. R.3. 1" 1. 2. 21. 1" 1. 3. 0. 2" 3. 1. 7. 2" 3. 1. 17. 3" 5. 0. 0. 3" 5. 0. 10. 4" 6. 2. 10. 4" 6. 3. 0. Flat. 4.13/16" 8. 0. 0. Flat. 4.1/2" 7. 2. 21. 5.13/16" 9. 2. 24. 5.1/2" 9. 2. 0. 6.13/16" 11. 2. 0. 6.1/2" 11. 1. 0. 7.13/16" 13. 1. 17. 7.1/2" 13. 0. 20. 8.13/16" 15. 2. 0. 8.1/2" 15. 1. 0. 9. 9/16" 17. 1. 14. 9.1/4" 16. 3. 20. R.2. R.4. 1" 1. 3. 0. 1" 1. 3. 0. 2" 3. 1. 14. 2" 3. 1. 14. 3" 5. 0. 0. 3" 5. 0. 7. 4" 6. 2. 10. 4" 6. 2. 24. Flat. 4.3/4" 8. 0. 0. Flat. 4.5/8" 7. 3. 8. 5.3/4" 9. 2. 10. 5.5/8" 9. 2. 7. 6.3/4" 11. 1. 18. 6.5/8" 11. 1. 14. 7.3/4" 13. 1. 7. 7.5/8" 13. 1. 10. 8.3/4" 15. 1. 14. 8.5/8" 15. 1. 21. 9.1/2" 17. 0. 20. 9.3/4" 17. 1. 10. F R O N T. F R O N T. R.5. R.7. 1" 1. 2. 21. 1" 1. 2. 24. 2" 3. 1. 3. 2" 3. 1. 5. Flat. 2.7/8" 4. 3. 0. Flat. 2.7/8" 4. 3. 3. 3.7/8" 6. 1. 21. 3.7/8" 6. 1. 23. 4.7/8" 8. 1. 14. 4.7/8" 8. 1. 16. 5.1/2" 9. 3. 0. 5.1/2" 9. 3. 1. R.6. R.8. 1" 1. 2. 22. 1" 1. 2. 26. 2" 3. 1. 7. 2" 3. 1. 9. Flat. 2.7/8" 4. 2. 26. Flat. 2.7/8" 4. 3. 6. 3.7/8" 6. 2. 0. 3.7/8" 6. 2. 0. 4.7/8" 8. 1. 14. 4.7/8" 8. 1. 24. 5.1/2" 9. 2. 16. 5.1/2" 9. 3. 0. | ||