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).
Cost comparison document for Crown Wheels, Bevel Pinions, and Chassis Frames.
| Identifier | ExFiles\Box 127\3\ scan0191 | |
| Date | 5th August 1937 | |
| - 2 - 5th. August 1937. CROWN WHEELS: (Cont'd). Flat cost : 11/8½d.{John DeLooze - Company Secretary} or Weight 27.1-lbs. ... = 5.18d. per lb. Note: No allowance in this comparison is made for overheads in stamping shop. BEVEL PINION. Pinion Pattern. Alternative: In 5% Case Hardening Nickel Steel ... 2/8½d each. Weight 5¾ lbs. = 5.9d per lb. Own Forgings: Mtl. 3/6½d.{John DeLooze - Company Secretary} Wages 3½d.{John DeLooze - Company Secretary} 3/10d. Weight 8.3 lbs. = 5½d per lb. No stamping shop overheads included in this figure. CHASSIS FRAMES. It is difficult to make a comparison here, as the Frames are bought completely assembled, drilled, fitted with various fittings which we supply, and stove enamelled ready for the Assembly Line. 16 h.p. Frames ... £8. 6. 9d. Weight after deducting details supplied 1 cwt. 2 qrs. 21 lbs. = 10.59d. per lb. Alternative article bought as a side member pressing only, in same quality as our frame. Cost ... ... £1. 16. 3d. Weight 66.8 lbs. = 6½d.{John DeLooze - Company Secretary} per lb. | ||