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).
Series of graphs comparing chassis front end vibration test results under various conditions.
| Identifier | ExFiles\Box 3\6\ 06-page272 | |
| Date | 7th October 1934 | |
| CHASSIS FRONT END VIBRATION TESTS. TESTS CARRIED OUT ON 1.B.X AT ROVER'S WORKS, COVENTRY 7/10/34. CONDITIONS:- STANDARD WINGS. ENGINE TORQUE DAMPERS STD. AXLE SHOCK DAMPERS STD. RADIATOR MATRIX ASSUMED TO BE STATIONARY. BONNET REMOVED. COLUMN HEADERS (from left to right): 1. AS STANDARD CHASSIS. NO BUMPERS, NO DROPPED X-MEMBER. 2. DROPPED X-MEMBER ONLY. NO BUMPERS. 3. WILMOT BUMPER ONLY. NO X-MEMBER. 4. ROVER BUMPER WITH FULL BOB WEIGHTS ONLY. NO X-MEMBER. 5. ROVER BUMPER WITH HALF BOB WEIGHTS REMOVED. NO X-MEMBER. ROW LABELS (from top to bottom): 1. OFFSIDE LAMP RELATIVE TO RAD. 2. FRAME RELATIVE TO RAD. 3. NEARSIDE LAMP RELATIVE TO RAD. AXIS LABELS: Vertical Axis (Y): FREQUENCY OF APPLIED IMPULSES - PER MIN. (Values: 400, 600, 800, 1000, 1200) Horizontal Axis (X): AMPLITUDE OF VIBRATION - INCHES. (Values: 0, .05, .10, .15) BOTTOM LEFT CORNER: F.T.H. 9/10/34 BOTTOM RIGHT CORNER: H.S.1562 | ||