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).
Design position status report listing modifications and their completion dates for the Kestrel and Merlin 'E' engines.
| Identifier | ExFiles\Box 161a\4\ scan0020 | |
| Date | 13th February 1936 | |
| ITEM. (sheet 8) DESIGN POSITION. KESTREL ENGINE. Adaptation of R.R. airscrew hub to take Schwarz blades. Completed. Arrangement of airscrew oil pipes - Hamilton V.P. airscrew. In hand. Relief and supply valve for R.R.Hele-Shaw V.P. airscrew pump. In hand. Modified diffuser - accelerator jet. Completed 12.2.36. Mod. to hub and bearing shell for R.R. Hele Shaw. Completed 12.2.36. Two speed supercharger - improved lubrication to high speed clutch and annulus gear bearing. Completed 13.2.36. MERLIN "E" ENGINE. Petrol Pipe - pump to carburetter. Completed 13.2.36. Piston mod. relieving behind gudgeon pin bosses. Completed 24.1.36. Proportions of 25° obliquity teeth for reduction gear .477 ratio. Completed 13.2.36. Mods. for the removal of squish turbulence. Completed 27.1.36. Rotating tappet. Completed 31.1.36. Mod. to starting gear - improved lubrication of pinion. Completed 29.1.36. Modified exhaust valve stem. Completed 31.1.36. Application of integrally screened K.L.G. plug type R.868. Completed 7.2.36. R.{Sir Henry Royce} type cylinder head and induction pipe. Completed 31.1.36. Elbow - induction pipe for "R" type cylinder head. Completed 31.1.36. | ||