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).
Progress report on design schemes for the Spectre 12-Cylinder engine and other car components.
| Identifier | ExFiles\Box 30\4\ Scan185 | |
| Date | 12th May 1934 | |
| - 15 - SPECTRECodename for Phantom III 12-CYL. ENGINE. N.Sch.4015 Front Suspension, Wheel Hubs, Steering Pivot, etc................ Recd. 29.3.34. Detail drawings will be put in hand as soon as possible. N.Sch.4022 Front Suspension, Wheel Hubs, Pivots, Brakes, etc. (see also N.Sch. 4015).......... Recd. 29.3.34. Detail drawings will be put in hand as soon as possible. N.Sch.4023 Layout of Clutch, Gearbox and Cross etc. (Elevation)......................... Recd. 29.3.34. Detail drawings completed and issued ....... 10.5.34. N.Sch.4024 Layout of Clutch, Gearbox and Cross member etc.Recd. 29.3.34. Detail drawings completed and issued ........ 10.5.34. N.Sch.4026 Independent Front Wheel Suspension - Strengthened Yoke............................... Recd. 10.4.34. Detail drawings will be put in hand as soon as possible. N.Sch.4027 1st. Speed Pinion with .040 correction(Ratio 15/35)Recd. 21.4.34 This scheme is not being detailed, as we understand that the gearbox design is being altered. N.Sch.4028 Rear Axle Tube and Shaft................... Recd. 18.4.34. Detail drawings completed and issued ........ 1.5.34. N.Sch.4029 Gearbox Gears, Shafts and Brgs............ Recd. 21.4.34. Detail drawings are in hand. ALL CARS. RR.Sch.435 Ignition Coil - D.Sch.580 with revised terminals. Scheme not yet approved. RR.Sch.621 5.500 o/Dia. Dynamo. Detail drawings are in hand. LeC.3827 Oil Pump with Aluminium Body and Helical Gears. Recd. 24.3.34. Detail drawings completed and issued ...... 8.5.34. LeC.3869 S/c. Unit - End Cover & Breather alterations. Recd. 6.4.34. Detail drawings completed and issued ....... 17.4.34. LeC.3871 S/c. Unit - Modfns. to Ramp Head......... Recd. 18.4.34. Detail drawings completed and issued ........ 5.5.34. | ||