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 chief specification items for the 2-S-I model for a 10,000-mile test in France.
| Identifier | ExFiles\Box 91\3\ scan0082 | |
| Date | 20th August 1935 | |
| X300a (2) To Hs.{Lord Ernest Hives - Chair} c.c. to E.{Mr Elliott - Chief Engineer} HS{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}10/KW.20.8.35. Chief items in Specification of 2-S-I for 10,000 Miles in France. Rear Axle. As 3-S-I except for - (1) Screw thread to prevent oil leaks from pinion. (2) Tighter half shaft oil seals. Gearbox. As 3-S-I but including GWH{George W. Hancock - Head Chateauroux}'s schemes to prevent oil leaks. Clutch. (1) Heavier flywheel to Ex. drawings. (2) VM.20 linings. (3) N.Sch. 4578 tail bearing. Brakes. As 3-S-I with - (1) Increased front braking. (2) Rear equaliser to prevent judders. (3) N.Sch.4576 - hand brake foul corrected. (4) Reduced clearance wing nut adjustment. Engine. (1) Whitemetal bearings throughout. (2) Large slipper wheel. (3) Stronger push rods. (4) Fescolised tappets. (5) Ex.18044 camshaft. (6) Reversed throttle carbs. (7) Lec.4344 oil passages. (8) 8 : 1 eccentric tappets. (9) [Strikethrough] Fully SLOTTED PISTONS Suspension. (1) Exactly as show cars. (2) Reduced oil leaks. (3) Cast Iron pistons. (4) G.83487/8 front springs. (5) Front roll rod. (6) Yoke to give correct height of car. | ||