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).
Record of the body, passenger capacity, and spring specifications for chassis 4-YG demonstration car.
| Identifier | ExFiles\Box 71\3\ scan0334 | |
| Date | 8th March 1926 | |
| To Hs{Lord Ernest Hives - Chair}/Hm.{Capt. W. Hallam - Head Repairs} X8950 BY/HEB{H. Biraben}2/M.8.3.26. CHASSIS 4-YG. DEMONSTRATION CAR. Kindly note the records of this Chassis are as follows:- 7 cwt. Open Touring Body. 4 Passengers. 1 Spare Wheel. Springs Fitted:- Front Near 1100-Wide.) Off 1150-Wide.) F.W.B. Type. 12 1/2% STIFFER.) Rear Near 1800-lbs. Off 1900-lbs. BY/HEB.{H. Biraben} HARB | ||