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).
Manufacturing cost breakdown for a Phantom I Chassis (Springfield) power unit and miscellaneous components.
| Identifier | ExFiles\Box 19\4\ Scan265 | |
| Date | 12th May 1930 | |
| DETAIL B 1 MANUFACTURING COST PHANTOM I CHASSIS (SPRINGFIELD) Complete without Fenders (Wings) or Running Boards - With Lamps and Accessories. 12.5.30. Power Unit Misc Complete Section Name Mat. Direct Labor Mat. Direct Labor Machine Fitting Machine Fitting 5000 Crankcase & Bearings 66.16 40.54 5001 Torque Reaction damper 1.44 .88 5010 Crankshaft 125.34 X 5020 Spring Drive 11.86 11.02 5030 Connecting Rod 14.49 12.34 5040 Pistons 12.76 10.27 5050 Cylinder & Head 100.00 53.90 5060 Valves & Valve Gear 44.53 44.02 5070 Intake Pipe 8.72 3.67 5080 Carburetter 17.66 9.45 11.00 5090 Camshaft 14.55 13.00 5100 Generator Drive 4.09 4.53 5101 Water Pump Drive 3.40 3.01 5110 Idler Gear 3.83 4.00 5130 Extra Cylinder Lub 2.80 1.58 .93 .52 5150 Ignition 22.11 4.66 5160 Water Pump 5.35 2.79 5170 Oil Pump 2.25 3.00 5171 Oil Pump Drive 1.92 2.52 5180 Wheelcase 4.67 1.00 5190 Water Connections 5.56 2.22 5200 Oil Fittings 4.23 2.03 5201 Oil Filler .94 .58 5204 Oil Sump Indicator 2.43 1.07 5205 Oil Relief Valve 1.40 1.07 5210 Wire Fittings 17.97 1.21 5220 Fan 8.63 3.09 5230 Exhaust Fittings(Front) 13.62 3.12 13.63 3.13 Engine Assembly & Test 193.00 5231 Exhaust Fittings(Inter) 6.00 2.54 7.00 5232 Exhaust Fittings(Rear) 11.13 2.30 7.00 5240 Controls 1.56 2.24 1.57 2.24 5250 Radiator & Shutter 82.09 3.29 27.00 5260 Bonnet 30.64 6.45 11.00 5270 Starting Handle 1.21 .74 1.21 .75 .62 5280 Pilot Jet .72 .83 5290 Engine Undersheets 3.39 1.49 3.00 5300 Pilot Jet Controls 4.12 1.20 2.40 6000 Flywheel and clutch 63.36 39.74 6020 Engine Coupling 2.01 3.00 6030 Gear Box 45.76 22.19 52.00 6040 Gear Box 1st&3rd shaft 33.98 19.64 | ||