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).
Test results for carburetter intake air and under-bonnet temperatures for the S.S. I. SPECTRE model.
| Identifier | ExFiles\Box 101\4\ scan0067 | |
| Date | 15th August 1935 | |
| 15th August 1935. S. S. I. SPECTRECodename for Phantom III. TEST FOR CARBURETTER INTAKE AIR TEMPERATURE { Air Intakes connected to slots } { in top of Bonnet } & UNDER BONNET TEMPERATURE SPEEDS VARYING FROM 50 TO 80 MPH. No Radiator Grille Fitted Air. Oil. Radiator Outlet. Radiator Inlet Carb. Intake. Under Bonnet Rear Cyldr. Water Temp. 26 72 72 80 29 48 81 26 79 74 86 29 48 86 26 80 64 77 30 49 76 26 80 60 75 32 50 76 26 80 64 76 30 48 77 25 80 65 78 28 46 77 25 81 67 78 28 47 79 25 80 68 78 27 46 79 ------------------ | ||