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).
Inspection report on the condition of exhaust boxes, front axle, and a detailed analysis of front spring leaf cracks.
| Identifier | ExFiles\Box 71\4\ scan0189 | |
| Date | 8th May 1925 guessed | |
| - 2 - Exhaust boxes - these are O.K. induction pipe has not been taken off for examination, but from outside appearance it seems to be quite O.K. Front axle. Pivots and bearings O.K. Brake operating shafts with larger bearings - there is now slight wear noticeable. Pull rods operating front brakes - these should have more adjustment for ball ends. we have got slack in these, which cannot be taken up without altering the design. Front Springs. Both these springs have now been taken off the car. N.S.F. spring taken off after 11,485 miles. O.S.F. " " " " 12,235 " The following chart shews the condition of these springs :- N.S. spring (Firths) to Drwg.71975 - 1100 lbs. Leaves. | Condition. | Where cracked. | Approx. Length of crack. 1. | O.K. | | 2. | Cracked. | Near rear sprg.clip from inside. | 3/4". 3. | Cracked. | Near rear sprg.clip from outside. | 3/4". 4. | O.K. | (This appears to be on soft side). | 5. | Cracked. | Near rear sprg.clip from inside. | 3/4". 6. | Cracked. | 1" rear of centre bolt - outside. | 3/4". 7. | Cracked. | 1" rear of centre bolt - inside. | 3/4". 8. | Cracked. | 1" rear of centre bolt - inside. | Halfway across. 9. | Broken. | 2" rear of centre bolt. | 10. | Cracked. | 1 1/2" rear of centre bolt - inside. | 3/4". 11. | Cracked. | 1 1/2" rear of centre bolt - inside. | 3/4". | ||