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).
List of completed modifications and component changes for the Wraith Chassis.
| Identifier | ExFiles\Box 161a\4\ scan0193 | |
| Date | 4th March 1937 guessed | |
| ITEM. (3) WRAITH CHASSIS - CONTINUED. Radiator steam escape pipe clip - LeC.5511. Completed 12.2.37. Petrol feed connection on tank with olive joint - saves cost. LeC.5513. Completed 12.2.37. Modified petrol tank stoneguards. LeC.5520. Completed 17.2.37. Metal bush to replace rubber in existing rear spring front anchorage - for experiment LeC.5521. Completed 20.2.37. Rear spring, small eye, front anchorage with metal bush. LeC.5532. Completed 23.2.37. Strengthened 2nd motion shaft - rear end. No.Sch.5035. Completed 9.2.37. Modified cap. side steering tube end to reduce cost. N.Sch.5036. Completed 9.2.37. Flywheel with integral starter ring N.Sch.5040. Completed 11.2.37. Mods. to steering box, to reduce cost. N.Sch.5041. Completed 12.2.37. Mod. to reverse gear fork to facilitate assembly. N.Sch.5042. Completed 15.2.37. Mod. lubrication of pendulum lever ball end N.Sch.5043. Completed 17.2.37. Mod. to rear brakes to reduce cost. N.Sch.5044. Completed 1.3.37. Mod. to 1st and 2nd gear selector mechanism to facilitate assembly. N.Sch.5045. Completed 17.2.37. Modified servo countershaft brackets - to reduce cost. N.Sch.5046. Completed 2.3.37. Cast iron 2nd speed operating stirrup. N.Sch.5048. Completed 19.2.37. Gearbox - horizontal drain plugs - to increase ground clearance. N.Sch.5056. Completed 25.2.37. | ||