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).
Various conditions for a bumper test rig, with corresponding waveform diagrams.
| Identifier | ExFiles\Box 117\3\ scan0031 | |
| Date | 6th May 1940 guessed | |
| 3 BUMPER TEST RIG CONDITION OF TEST 9. CAR IN STANDARD CONDITION EXCEPT ROLL - BAR OFF. DASHBOARD MOUNTED SOLID TO FRAME. TRIANGULAR SCUTTLE STAYS FITTED. 10. DASHBOARD FREE. STAYS FROM DASHBOARD TO FRAME FORWARD. ROLL - BAR - ON TRIANGULAR SCUTTLE STAYS FITTED. 11. DASHBOARD FREE. STAYS FROM DASHBOARD TO FRAME FORWARD ROLL-BAR - OFF. TRIANGULAR SCUTTLE STAYS FITTED. 12. DASHBOARD BOLTED SOLID TO FRAME. STAYS FROM DASHBOARD TO FRAME. ROLL - BAR - OFF. TRIANGULAR SCUTTLE STAYS FITTED. 13. NEW SCHEME OF STRENGTHENED SCUTTLE STAYS FROM DASHBOARD TO FRAME REMOVED. SHOULDER STAYS STILL IN TOP OF SCUTTLE. DASHBOARD FREE OF FRAME ROLL-BAR-OFF. 14. NEW SCHEME OF STRENGTHENED SCUTTLE STAYS FROM DASHBOARD TO FRAME REMOVED. SHOULDER STAYS STILL IN TOP OF SCUTTLE. DASHBOARD HELD WITH ONE SILENT BLOCK. MOUNTING FACING FORWARD. ROLL-BAR-OFF. | ||