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).
Scheme detailing a modified rear battery mounting for the Wraith III model due to insufficient capacity.
| Identifier | ExFiles\Box 164\3\ img141 | |
| Date | 21th February 1938 | |
| C. Rm.{William Robotham - Chief Engineer} DA.{Bernard Day - Chassis Design}2/G.21.2.38. 6021 WRAITH III. BATTERY AND BOX. Please receive herewith the following scheme F.CD.485 Battery, Modified Rear Mounting. The long shallow battery DW.211 fitted to the Limousine and 4-door saloon on the 1st.six Wraith is found to have insufficient capacity in service. In order that the deep battery DW.559 similar to the 25/30 HP. chassis may be used, the rear end mounting has been modified as shewn on the above scheme. The Iron. mounting will require altering as shewn on F.CD.466. The position of the batteries is now as follows :- All Close coupled Saloons for the 1st six chassis should be as F.CD.470. Limousines and 4-door Saloons for the 1st six chassis should be as F.CD.485. The 1st. 100 sets for all types of bodies as F.CD.466. DA.{Bernard Day - Chassis Design} [Text handwritten sideways in left margin]: FD{Frank Dodd - Bodies}666 | ||