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).
List of engineering tasks and tests for the Spectre carburettor and related engine components.
| Identifier | ExFiles\Box 174\3\ img017 | |
| Date | 7th June 1935 | |
| -5- HS{Lord Ernest Hives - Chair}/Ra.10/KW.7.6.35. Hs{Lord Ernest Hives - Chair}/Swill. SpectreCodename for Phantom III. (1) Tests on white metal bearings - endurance. ✓ (2) Oil coolers. See E.{Mr Elliott - Chief Engineer} about oil cooler. Swett & to Bell. (3) Completion of idling metering. ✓ (4) Tests on power with carb. throttles removed. ✓ (5) Urge rescolised tappets with increased radius recently designed. ✓ (6) Urge strengthened push rods. ✓ (7) Complete tests on correct valve spring strength. ✓ (8) Work with Matthews on pistons. ✓ (9) Work with Salt on induction pipes. (10) Ensure that the design of metering plug on the silent tappet is altered from annulus to hole. O.K. ✓ (11) Test large oil pump and relief valve, and report. ✓ (12) Ensure large relief valve quiet. ✓ (13) Get C.M's scheme for preventing rear bearing oil leak fitted up. ✓ (14) Manufacturing spec. for SpectreCodename for Phantom III carbs. ✓ | ||