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).
Quotation from David Brown & Sons for geared motor units, reducing gear units, and flexible couplings with pricing.
| Identifier | ExFiles\Box 159\6\ scan0049 | |
| Date | 12th July 1939 guessed | |
| DAVID BROWN & SONS (HUDD.) LTD. Continuation to Messrs. Rolls Royce, Ltd. Sheet No. 2. Second Stage. 4.65 H.P. on the input shaft, 210/approx. 70 or 210/approx. 630 R.P.M. One "David Brown" totally enclosed CH.6.c helical geared motor unit (mechanical portion only) generally as described on the attached leaflet E.345.6, but the primary pinion to be provided with shaft, bearing and housing thus making the unit complete and totally enclosed. Lubrication of the gears would be adequately effected by means of the oil bath. PRICE ... £43. 0. 0. Extra for - One "David Brown" patent "Cone-Ring" type flexible coupling for the low speed shaft the outer half suitable for a maximum bore of 2.375 ins. diameter. PRICE ... £3. 7. 6. ALTERNATIVELY. 3 H.P. motor, 1500/ approx. 210 R.P.M. One "David Brown" totally enclosed size 3 RHU Radicon Worm Reducing Gear Unit, generally as described on the attached leaflet E.387.17. PRICE ... £9. 0. 0. Extra for - One "David Brown" patent "Cone-Ring" type flexible coupling for the high speed shaft the outer half suitable for a maximum bore of 1 in. diameter, generally as described on the attached leaflet E.304.2, (medium type). PRICE ... £1. 4. 0. Extra for - One "David Brown" patent "Cone-Ring" type flexible coupling for the low speed shaft, the outer half suitable for a maximum bore of 2 ins. diameter, generally as described on the attached leaflet E.304.2 (heavy type). PRICE ... £2. 11. 0. | ||