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).
Three types of gauze and frames for a radiator outlet filter, with a recommendation to consider previous engine failures.
| Identifier | ExFiles\Box 150\3\ scan0146 | |
| Date | 9th April 1937 | |
| [Handwritten top left]: 1280 [Handwritten left margin]: We have issued Standardisation sheet Le C5586 & correct [Handwritten above typed text]: Require scheme exactly as drawn [Handwritten middle]: Rm {William Robotham - Chief Engineer} /STD [Signature] I have seen Rm {William Robotham - Chief Engineer} /STD To Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} from HPS. {Horace Percy Smith - Experimental Factory Mgr} HPS. {Horace Percy Smith - Experimental Factory Mgr} 12/VS. {J. Vickers} 9.4.37. FILTER FOR RADIATOR OUTLET LeC.5586. We send you herewith three types of gauze and frames which have been produced in the Works. As far as we can ascertain from the LeC. the idea being to prevent loose solder entering the water pump. We strongly recommend that before this is put on to production, careful consideration should be given to the effect of gauze silting up, having in mind your experiences on early Kestrel engine failures due to fitting a gauze similar to this in the system. The Works say they would prefer the plain gauze cap from cheapness and production point of view. Will you please let us have your comments one way or the other. HPS. {Horace Percy Smith - Experimental Factory Mgr} [Signature] | ||