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).
Instructions for modifications to a LeC.3662 Cylinder Head, including stelliting exhaust valves.
| Identifier | ExFiles\Box 86\1\ scan0139 | |
| Date | 11th March 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} 4219 Hs{Lord Ernest Hives - Chair}/Mths.{Reg Matthews}16/KW.11.3.35. LeC.3662 Cylinder Head. Will you please stellite three of the exhaust valves of this head. This head is the same one that was recently modified to take 1.300 dia. exhaust valves and turbulent lip machined to EX.16041. Will you please have plate fixed to head giving full particulars of the modifications carried out. The capacity of each combustion space is 92 c.c's and the inlet valves are 1.500 dia. Hs{Lord Ernest Hives - Chair}/R.Matthews. | ||