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).
Modifying a list of engine units, dividing them into categories and specifying their purpose.
| Identifier | ExFiles\Box 124\2\ scan0108 | |
| Date | 1st April 1940 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} c. to HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth} c. to Ev.{Ivan Evernden - coachwork} c. to Ev{Ivan Evernden - coachwork}/HH. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}1/JH.1.4.40. ENGINE UNITS. Further to our memo. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}6/JH.21.3.40. We have been able to further modify the list of engines which appear on page 5 (of the previous memo. above) to bring the programme completely up to date. These can be divided into three categories :- (a) As instructed to the shop at the present time (but now out of date). (b) Latest specification of units in (a). (c) Prototype. New chassis units required are therefore as follows, with the duty they will perform when complete. UNIT PURPOSE Category "A". B.60 No.5. (3.500" bore) - Test bed. B.60 No.6. (3.250" bore) - Ripplet chassis. B.60 No.8 (3.250" bore)) - 1.R.1. Category "B". B.60 No.9 (3.250" bore) ) B.60 No.10 (75 m/m bore) ) Chassis replacement B.60 No.13(3 75 bore ) of category 'A' units. Category 'C'. B.40 No.1 (75 m/m bore) Test Bed. B.40 No.2. " " Rippletto chassis B.40 No.4.(3.50" bore - Test bed and replacement of No.2 in chassis. | ||