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).
Proposal and list of drawing numbers for Goshawk II gearbox gears requiring grinding.
| Identifier | ExFiles\Box 75\1\ scan0316 | |
| Date | 24th August 1922 | |
| He X4543 AUG 25 1922 RECEIVED BY/C21/H.{Arthur M. Hanbury - Head Complaints} 24. 8. 22. RHC.{R. H. Coverley - Production Engineer} c. EFC. c. WG.{Mr Gill - Financial Director} c. Mr. Imeson. GOSHAWK II. GROUND GEARS FOR GEAR BOX. X. 4543. With reference to the proposal to have three complete sets of gears ground for Goshawk II Gear Box, we give below the drawing numbers of the various gears which should be produced specially in the Works for grinding on the teeth, also the Second Motion Shaft which should be ground on the splines. G.50849/50. Second Speed Gears. G.50848. First and Reverse Sliding Gear. G.50851. First Speed Gear. G.50862. Reverse Pinion. G.50946. Second Motion Shaft with Reverse Pinion Combined. G.50842. Second Motion Shaft. If RHC{R. H. Coverley - Production Engineer} will let us know when the above are ready for despatch, we will take the matter up with the Gear Grinding Company. Mr. Imeson should note that the Second Speed Gears are cut 14 1/2° obliquity, and the First Speed and Reverse Gears are all cut 20°. BY/C. | ||