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).
Comparative test results for various batteries on a chassis starter motor.
| Identifier | ExFiles\Box 50\2\ Scan112 | |
| Date | 7th May 1924 | |
| RR 300 (20 Bks.) (SK 354 5-12-22 MP 264049) X 4298 108591 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.F.C. Order No.: Re: J.B.43. Customer's No.: X 664 Date: 7-5-1924 Batteries compared on chassis starter motor tests The following are the comparative results obtained with these batteries on chassis starter motor tests. The chassis used was 3SPK | Battery | Amperes | Volts | Distributor R.P.M. | |---|---|---|---| | P&R TD11/6 | 96.0 | 9.95 | 30 | | | 93.0 | 9.80 | 28 | | Alklum | 90.0 | 9.0 | 25 | | | 89.0 | 9.20 | 24 | | Lithanode | 96.0 | 10.50 | 35 | | | 96.0 | 10.60 | 34 | | Exide | 94.0 | 9.90 | 30 | | Duty 5 | 95.0 | 9.80 | 30 | | Ni-fe 60 | 94.0 | 10.30 | 28 | | | 95.0 | 10.0 | 30 | | Fuller | 98.0 | 10.8 | 35 | | Sparta | 98.0 | 10.7 | 34 | | Alklum | 92.0 | 9.1 | 24 | | RR 50 | 90.0 | 9.0 | 30 | Two tests were made on each battery, the first on the 600 amp range & second on 650 amp range. Signed: g.g. This Sheet must be filed on completion of the work. | ||