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).
The matrix tubes and construction for the Phantom radiator.
| Identifier | ExFiles\Box 66a\4\ scan0248 | |
| Date | 31th March 1927 | |
| To DA.{Bernard Day - Chassis Design} from R.{Sir Henry Royce} c. to BJ. Hs.{Lord Ernest Hives - Chair} BY.{R.W. Bailey - Chief Engineer} E.{Mr Elliott - Chief Engineer} X. 8250 R3/M31.3.27. PHANTOM RADIATOR. Regarding N.sch.2371 we choose the shorter and smaller matrix tubes - 7/6.25 mm., 4.25 long - made up with the standard construction as shewn in Fig.1. The space between the bonnet ledges and the ends of the outside rows of tubes should be not less than .100. R.{Sir Henry Royce} | ||