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).
Instruction memo detailing modifications to the Wraith III Chassis, specifically valves and fittings.
| Identifier | ExFiles\Box 10\3\ 03-page081 | |
| Date | 29th September 1937 | |
| File o.{Mr Oldham} Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} Good 657 EY/CS4/ER.29.9.37. Re Wraith III Chassis - Valves & Fittings - Sec:5060. E.CD.9 - Modified Rockers (.350 valve lift). E.CD.50 - Modified Crankcase to suit inclined tappets. 6 sets. Please receive herewith blue prints of the following new drawings and L.C.P., detailed in accordance with the above E.CD. Nos. and memo' HY.{Tom Haldenby - Plant Engineer}1/V3.21.8.37. E.W.1408 Rocker Shaft E.W.1409 Rocker Arm E.W.1410 Bush E.W.1411 Distance Piece E.W.1412 Push Rod E.W.1413 Tappet E.W.1428 Valve spring E.W.1429 Inlet Valve E.W.1427 Valves & Fittings L.C.P. (Sheet 1). Will RMC. please instruct six sets of parts to the above L.C.P. This completes instructions for this section. Attached herewith are blue prints of E.CD.9 and E.CD.50. BY/CS. | ||