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).
Table listing the weights of experimental cars for the months of March and April.
| Identifier | ExFiles\Box 132\2\ scan0111 | |
| Date | 17th April 1940 | |
| 1115 To - Rm.{William Robotham - Chief Engineer} C - Rm{William Robotham - Chief Engineer}/PJH. EV.{Ivan Evernden - coachwork} JNR.{Charles L. Jenner} EV{Ivan Evernden - coachwork}/DB.{Donald Bastow - Suspensions} EV{Ivan Evernden - coachwork}/JD.{J. Draper - Frames} Lr{Mr Ellor}/Hlm.2/ET.17.4.40. WEIGHTS OF EXPERIMENTAL CARS FOR THE MONTHS - MARCH AND APRIL. Chassis No. | Remarks. | March. | | | April. | | | | Cwts. | Qrs. | lbs. | Cwts. | Qrs. | lbs. ---|---|---|---|---|---|---|--- 7.B.V. | Roof Aerial fitted. | 35 | 1 | 14 | 35 | 1 | 10 8.B.V. | Oversize wheels 7.50 x 16 - tyres. | - | - | - | 37 | 1 | 0 9.B.V. | Flexible tail pipe removed. tube type fitted. | 35 | 3 | 0 | 35 | 2 | 20 10.B.V. | Not available in April | 35 | 3 | 21 | - | - | - 11.B.V. | - | 37 | 1 | 22 | 37 | 1 | 7 12.B.V. | - | 34 | 0 | 14 | 34 | 0 | 0 14.B.V. | Not available | - | - | - | - | - | - 1.B.V. | Not available | - | - | - | - | - | - 2.B.50 | - | - | - | - | 37 | 2 | 14 3.B.50 | - | - | - | - | 39 | 0 | 0 4.B.50 | Ferranti Radio & Aerial and hand tools additional | 39 | 3 | 7 | 40 | 1 | 0 30.G.VII | Not available in April | 42 | 0 | 7 | - | - | - 33.G.VII | Clayton heater in rear in place of Marston. | 41 | 1 | 14 | 41 | 2 | 0 1.R.1 | Marston heater added | 34 | 1 | 21 | 34 | 2 | 0 BUICK | - | 37 | 0 | 5 | 37 | 0 | 7 Rm{William Robotham - Chief Engineer}/Hlm. | ||