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).
Comparison of the Leyland Meteor and Merlin III oil pumps, detailing speed and length of pressure/scavenge gears.
| Identifier | ExFiles\Box 149\2\ scan0217 | |
| Date | 29th April 1941 | |
| 1265 To. Rm.{William Robotham - Chief Engineer} Rm{William Robotham - Chief Engineer}/HH.6/ 29/ 4 / 41 MERLIN OIL PUMPS With reference to memo Lov{Mr Lovesey}/RCP 2/GC. 28/4/ 41. the following is a comparison of the Leyland Meteor with the Merlin III. Speed . Merlin III .738 : 1 ) Meteor 1.03 : 1 ) Meteor 28½% increase Length of Pressure Merlin III 1.775 " " Scavenge " 2.125 " " Pressure Leyland Meteor 1.375 = 77½% " " Scavenge Leyland Meteor 1.600 = 75% Rm{William Robotham - Chief Engineer}/HH. | ||