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).
Progress report from the Drawing Office regarding the 'Kestrel' engine.
| Identifier | ExFiles\Box 30\3\ Scan113 | |
| Date | 16th March 1935 | |
| (291) BY.1/G.16.3.35. Sg.{Arthur F. Sidgreaves - MD} ROT. F Hs.{Lord Ernest Hives - Chair} PHC REPORT OF WORK IN HAND IN D.O. (BY'S. DEPT.). --------------------------------------- "KESTREL" ENGINE. DES. 2284 Modified Valves etc. fitted with retaining ring. Recd. 1.11.34. Detail drawing will not be made until scheme is approved by Air Ministry. DES. 2334 Automatic Mixture Control Mixture Valves ..... Recd. 7.1.35. Detail drawings completed and issued ....... 10.1.35. RR. Sch. 817 "Romec" Vacuum Pump. (Dutch East Indies)... Recd. 22.1.35. Detail drawings completed and issued ........ 28.1.35. RR. Sch. 822 Venting of Oil Tanks to Engine Casing (Wheelcase). Waiting approval of Air Ministry before detailing. RR. Sch. 829 Setting of Controls. Detail drawings not required. DES. 2341 Piston (6.5 to 1 Comp. Ratio. ............ Recd. 9.1.35. Superseded by DES. 2348. DES. 2342 Automatic Mixture Control - Modfn. to Position Recd. 4.2.35. of Unit to suit Heyford Machine ............. 12.3.35. Detail drawings completed and issued ...... DES. 2348 Ramp Head. Piston (6.5 to 1 Comp.) ....... Recd. 23.1.35. Detail drawings completed and issued ....... 29.1.35. DES. 2354 Ramp Head. Valve Springs .............. Recd. 4.2.35. Detail drawings completed and issued ....... 19.2.35. DES. 2356 2-Speed Supercharger - Oil Supply to F/S. Clutch Plates ................................. Recd. 31.1.35. Detail drawings completed and issued ....... 8.2.35. LeC. 4298 Comparative X-Sect. Areas, Inlet Ports and Pipes for various Cyl. Head ........................ Recd. 10.1.35. Detail drawings not required. | ||