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 for an O.S.F. spring from Chassis 93 NK, detailing cracks and breaks in the leaves.
Identifier | ExFiles\Box 71\4\ scan0253 | |
Date | 17th June 1925 | |
X8940 Chateauroux. 17.6.25. Chassis 93 NK. O.S.F. spring (Firths) to Drwg. F.{Mr Friese} 71975 - 1150 lbs. Leaves. | Condition. | Where cracked, or broken. | Approx. length of crack. 1. | Broken. | 2 1/4" rear of centre bolt. 2. | " | 1 1/8" front of centre bolt. 3. | " | - do - 4. | " | - do - 5. | " | - do - 6. | Cracked. | Centre - outside. Centre to bolt hole. 7. | " | 1 1/8" rear of centre bolt - outside. | 1" | | 1/4" front of centre bolt - outside. | 1" 8. | " | 1 3/16" rear of centre bolt - outside. | 1" 9. | " | 1/2" rear of centre bolt - inside. | 3/4" | | 1 1/8" front of centre bolt - inside. | 3/4" 10. | " | 1 3/8" front of centre bolt - outside. | 3/4" 11. | Appears O.K. Diagram: Rear. Outside. o Front. Inside. Mileage of No. 1 leaf - 10,311. Remaining leaves - 10,811. [Signature] | ||