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).
Record card for oil from a filter, noting aero ratio, coated components, and a 16-tooth pinion.
| Identifier | ExFiles\Box 2\6\ B002_X 140 141 157-page008 | |
| Date | 18th February 1932 | |
| Top Header: R.R. A.D.M. NO. 456 (8.10.31) O.{Mr Oldham} 1667 Top Center: K783 section 500 x 190 Initials: MK Description: Oil (MX{John H Maddocks - Chief Proving Officer}52 from filter (approx 3.1)) (Aero, same ratio but coated) with. (16 teeth a pinion) COLUMN 1: Date: 18/2/32 Report: Instruction from P.R. To be tried in 173/0183/2. Date: 24/2/32 Report: Mailie test combined Date: 28/3/32 Report: Tours 17892 Cardin. Faint once V.{VIENNA} Faint. amount just good. fitted to 164G now by E.P.C. Folkestone. unaltered since. COLUMN 2: Date: 22/3/32 Report: has no vibration. Sent from R.{Sir Henry Royce} Royce. to Bovington - Special filter. Date: 28/4/32 Report: Shaft on Balance Special folder Date: 9/5/32 Report: Returned to Crewe under bearing of filter. exactly like - Date: 19/5/32 Report: Do test protecting W.A. | ||