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).
Estimation of materials required to produce the 'Myth' frame for the first chassis.
| Identifier | ExFiles\Box 110\2\ scan0020 | |
| Date | 17th December 1940 | |
| To: Rm.{William Robotham - Chief Engineer} c. Ev.{Ivan Evernden - coachwork} c. Rm{William Robotham - Chief Engineer}/HH. Ev{Ivan Evernden - coachwork}/JD.{J. Draper - Frames}1/RH.{R. Hollingworth}17.12.40. SECRET RE FRAME - MYTH Myth 727 7030 As requested, we have estimated the material required to produce the Myth frame for the first chassis and tabulated below the amount required for each member:- PIECE | NO.OFF | LENGTH | WIDTH | SWG. Side Channel | 2 | 13 ft. | 1ft. 6.000" | 16 Cross Channel | 2 | 7 ft. | 1ft 6.000" | 16 Rear Body Crossmember | 1 | 4 ft. | 1ft. | 16 1st. Crossmember | 1 | 4 ft. | 1ft. | 16 2nd. Crossmember | 1 | 4 ft. | 1ft. | 16 Front Gusset | 2 | 4 ft. | 1ft 6.000" | 16 Main Frame Stiffener | 2 | 1 ft. | 1ft. | 16 Rear Stiffener | 2 | 1 ft. | 1ft. | 16 Front Stiffener | 2 | 6.000" | 1ft. | 16 Rm{William Robotham - Chief Engineer} file Keep until Summers replies Rm{William Robotham - Chief Engineer} Ev{Ivan Evernden - coachwork}/JD.{J. Draper - Frames} | ||