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).
Alterations for the 'Condor' engine's epicyclic gear, specifically changing the angle of obliquity for the serrations.
| Identifier | ExFiles\Box 38\6\ Scan134 | |
| Date | 23th May 1919 | |
| To Mr. Gradwell from BY/C. c. to Mr. " for Mr.Cowgill. c. to Mr. Coverley. c. to AV. c. to H.{Arthur M. Hanbury - Head Complaints} c. to EPC. BY/C1/GMK23.5.19. X.3389. X. 399. "CONDOR" ENGINES - EPICYCLIC GEAR+ SECTION 4240+ Kindly note that the following alterations are required:- G.6805.- Sunwheel (.666 epicyclic gear). G.6598 - " (.555 " ") G.6673 - Sunwheel anchor. Angle of obliquity of the serrations to be made 20º instead of 14½º! We will send the above alteration through as soon as possible, but in the meantime the works should see that the corrections are made. BY/C+. | ||