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).
Weight comparison of the frames for the 25/30 HP and Wraith models.
| Identifier | ExFiles\Box 10\5\ 05-page043 | |
| Date | 15th February 1937 | |
| FRAME & CLUTCH. COMPARISON OF 25/30 H.P. & WRAITH WEIGHTS. 25/30 H.P. lbs. ozs. Weight of Frame without body brackets, front cross members or front spring brackets, (i.e. in comparable condition) 236 - Clutch - weight similar for both. WRAITH. lbs. ozs. Weight of Wraith frame as received from Makers, i.e., without body brackets or front cross members (thin gauge) 231 - TOTAL = 236 - 231 - Saving ..................... 5 - | ||