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).
Breakdown of the weights of tools in the kit for S.S. and Phantom models.
| Identifier | ExFiles\Box 16\6\ Scan018 | |
| Date | 1st May 1929 guessed | |
| contd :- -2- PARTICULARS RELATING TO TOOL KIT ON S.S. AND PHANTOM. Total weight of tool kit lbs. 57 (a) Weight of tools rarely used on road (excluding box spanners) 15½ (b) Weight of tools necessary on road 41½ % (a) of whole (left in garage) 26.7% } % (b) of whole (carried) 73.3% } (c) Weight of tools rarely used on road (including box spanners) 20 (d) Weight of tools necessary on road 37 % (c) of whole (left in garage) 35% } % (d) of whole (carried) 65% } Individual items. The jack weighs 8 lbs. or 14% of total weight (57 lbs.) The tyre pump weighs 6½ lbs. or 11.4% of total weight. The starting handle and wheel spanner together weigh 10 lbs. or 17.5% of total weight. The jack handle and mallet together weigh 4½ lbs. or 8% of total weight. The jack, tyre pump, starting handle, wheel spanner, jack handle and mallet together weigh 29 lbs. or 51% of total weight. This kit of 6 indispensable tools, weighing 29 lbs. is 78.4% of the weight of tools essential on the road. contd :- | ||