From Mr Spinney to Mr Nadin regarding ground clearances with different wheel and flywheel sizes.
| Identifier | ExFiles\Box 8\4\ 04-page021 | |
| Date | 16th April 1912 | |
| F.R 325A (100m.) X843-16.4.12.) G 3623 12th meeting Z 6/5 Copy of sheet from Mr Spinney to Mr Nadin re clearances. We cannot get 9" ground clearance unless we fit small flywheels. The table below gives figures requested by Mr Platford - they are drawing dimensions - guards being F 2258, F 2456. | Road Wheels. | Crank chamber. Oil plug to ground. | Flywheel No guard, to ground. | Flywheel-guard, Plain part to ground. | Beading round edge of flywheel guard, to ground. | Read of undershield to ground. | |---|---|---|---|---|---| | 895 mm | 8.5 | 8.237 | 8.089 | 7.937 | 9.110 | | 935 " | 9.287 | 9.024 | 8.876 | 8.726 | 9.897 | (LARGE Flywheel) | 895 " | 8.5 | 8.874 | 8.574 | 8.424 | 9.110 | | 935 " | 9.287 | 9.661 | 9.361 | 9.211 | 9.897 | (Small Flywheel) Silencer outlet is 7.312 from ground and should be altered on all Colonial cars . Handwritten notes: 7.937 8.226 7.87 8.187 7.89 8.776 Full Road claws | ||
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).