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).
Dispatch of drawings and material recommendations for the Wraith engine.
| Identifier | ExFiles\Box 8\5\ 05-page01 | |
| Date | 17th December 1934 | |
| To RY. [redacted] Copy to Mr. Hs.{Lord Ernest Hives - Chair} KNS. [redacted] E/JNR.{Charles L. Jenner}1/MN.17/12/34. Handwritten: x389 [crossed out] Handwritten: 617 RE WRAITH ENGINE. We send you herewith LeC 4260 showing the slipper flywheel fan pulley and crankshaft sprocket. This completes all the instructions for the crankshaft. Also herewith LeC 4246 showing the wheel-case and timing chain drive, camshaft wheel, etc. In regard to the endless Morse chain which has ninety-four pitches we attach herewith the letter from the Morse Co. with their recommendations with regard to the materials for the sprockets. We think that these materials may be only for mass production engines. You will also note their proposal in regard to the milling cutters for the sprockets. E/JNR.{Charles L. Jenner} Att: LeC.4260. LeC.4246. | ||