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).
Instructions for an experiment on a 20/25 HP Chassis Torque Reaction Damper, detailing replacement parts.
| Identifier | ExFiles\Box 104\1\ scan0259 | |
| Date | 25th January 1935 | |
| TO R.H.G. c. Hs.{Lord Ernest Hives - Chair} c. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} c. Hs{Lord Ernest Hives - Chair}/Tgm. Handwritten text: x5015 Wyman. We should get two of these for Jul- to 21GW cars etc D EH/CSS/EH.25.1.35. Re 20/25 HP. Chassis - Torque Reaction Damper - See:5001/m Damper Arms in thinner material and lighter slipping load for the Friction Discs. Please receive herewith blue prints of the following new details;- E.60040 Damper Arm which replaces E.53010. E.60041 " " " " E.53011. Will you please instruct as required, together with the following parts;- H.B.472 Spring which replaces E.71111 - 2 off.) Altern- E.42282 " " " " " - " ) atives. E.58507 Bolt(Friction disc)" " E.58517 - 2 off. KA.207 " (.250 dia.)Damper Arm which replaces KA.207 - 2 off KA.211 " (.250 dia.) " " " KA.212 - 2 " Remainder of parts to LOP. E.53049. This completes instructions for experiment. Handwritten text: R Instructed for 20 GU, 21 GD + GUB 5 BY/CS. Handwritten text: Hs{Lord Ernest Hives - Chair}/Lord Hives 28-1-35 | ||