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).
Letter from Joseph Lucas Limited providing performance data for R.W. Screen Wipers.
| Identifier | ExFiles\Box 59\3\ Scan232 | |
| Date | 3rd March 1933 | |
| REGISTERED OFFICES & GENERAL DEPT'S GREAT KING STREET, BIRMINGHAM LONDON OFFICE & SHOWROOMS 319, REGENT STREET, W. 1. x603 TRADE MARK JOSEPH LUCAS LIMITED ELECTRICAL DEPARTMENT WELL STREET BIRMINGHAM 19 TELEPHONE: NORTHERN 5201 (12 LINES) TELEGRAMS & CABLES 'LUCAS, BIRMINGHAM' LUCAS 'KING OF THE ROAD' LAMPS LUCAS STARTING & LIGHTING EQUIPMENT FOR CARS, LUCAS LIGHTING EQUIPMENT FOR MOTOR CYCLES, LUCAS MAGNETOS, LUCAS BATTERIES SERVICE DEPOTS BELFAST 3/5, CALVIN STREET, MOUNT POTTINGER. BIRMINGHAM GREAT HAMPTON STREET. BRIGHTON OLD SHOREHAM RD., HOVE. BRISTOL 345, BATH ROAD. CARDIFF 24A, PENARTH ROAD. COVENTRY PRIORY STREET DUBLIN PORTLAND STREET NORTH, NORTH CIRCULAR ROAD. EDINBURGH 32 STEVENSON RD, GORGIE. GLASGOW 227/229 ST GEORGE'S ROAD. LEEDS 64, ROSEVILLE ROAD. SERVICE DEPOTS LIVERPOOL 450/456 EDGE LANE. LONDON DORRDRECHT ROAD, ACTON VALE, W.3. LONDON 759, HIGH ROAD, LEYTON, E.10. LONDON 319, REGENT ST.{Capt. P. R. Strong}, W.1. SHOWROOMS & OFFICES. LONDON 155, MERTON ROAD, WANDSWORTH, S.W.18. MANCHESTER 291/293 DEANSGATE. SUPPLY DEPOT. MANCHESTER TALBOT RD, STRETFORD. NEWCASTLE-ON-TYNE 64/66 ST MARY'S PLACE. WHEN REPLYING PLEASE REFER TO Messrs. Rolls Royce Ltd., DERBY. WST X/LGT4. 3rd March 1933. For the attention of Mr.West Dear Sirs, Further to your visit to our Works on the 2nd inst., you requested certain information to be forwarded to you in connection with the R.W. Screen Wipers. We have pleasure in detailing below the necessary data. The terminal pressure for which the following figures were taken was 12 volts. (1). Operating speed and running current. Condition of Arm speed in Running screen. wipes per minute. Current. Dry. 25 - 28. 1.15 - 1.5 amps. Klaxon 4 amps Wet. 27 - 30. 1.05 - 1.45 " Drying. 23 - 26. 1.3-1.7 " (2). Stall torque on wiper spindles. 140 - 180 oz.ins. (3). Stall current in amps. 3.4-3.6 (hot). 4.2-4.4(cold). 8 amps (Klaxon) (4). Angle of wipe. 165° (5). Temperature rise. (a). Running with dual arms on a dry screen. (1). Armature 33° - 38°C. (2). Field. 38° - 42°C. 96°C. Klaxon (b). Motor Stalled. (1). Armature. 100° - 108°C. (2). Field. 57° - 62°C. | ||