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).
Weight comparison document for components between models G.11 and G.111.
| Identifier | ExFiles\Box 6\4\ 04-page160 | |
| Date | 1st February 1926 | |
| N5310 To BY: from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Spare Hs{Lord Ernest Hives - Chair}/Rml/LG1.2.26. 20 HP. WEIGHTS. +4538 We understand that on production the chassis weight of G.111. exceeds that of G.11. by 200 lbs. From the following figures it will be seen that we are unable to account for more than 189 lbs. by the alterations incurred. G.111. Gearbox complete with servo, change speed lever and brkt. and brake lever. 117.0 lbs. G.11. Gearbox complete with change speed and brake lever. 79.62 lbs. Difference in weight - 37.38 lbs. The weight of complete set of tie rods for G.111. is - 27 lbs. Tie rods complete with jaws & bushes 14.187 lbs. Pedestals complete 5.562 " Stiffeners and bolts 2.562 " Brackets and bolets 4.687 " TOTAL = 27.000 lbs. G.11. Front axle. 215 lbs. G.111. Front axle. 275 lbs. Difference in weight - 60 lbs. G.11. Rear axle. 269.5 lbs. G.111. Rear axle. 274 " Difference in weight. 4.5 lbs. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||