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).
Hesitation to standardize a new lightened speedometer due to multiple test failures and the need for a redesign to eliminate magnetic interference.
Identifier | ExFiles\Box 59\2\ Scan410 | |
Date | 27th June 1934 | |
+x6051. W/S - CX.{Major Len W. Cox - Advertising Manager} c. to SG.{Arthur F. Sidgreaves - MD} c. to Wor.{Arthur Wormald - General Works Manager} c. to C. c. to E.{Mr Elliott - Chief Engineer} c. to Ry. c. to Roy.{Sir Henry Royce} Hs{Lord Ernest Hives - Chair}/Wst.4/KW.27.6.34. Lightened Type Speedometer for R.R. & Bentley Chassis. Replying to your Cx.{Major Len W. Cox - Advertising Manager}6/KW.26.6.34, the new lightened type speedometer is an entirely new design and we hesitate to standardize this speedometer and involve ourselves and the A.T. Co. in a big tool cost when in a few months time the whole instrument will have to be redesigned to eliminate magnetic interference. The question of standardizing larger trip figures on our existing standard speedometer is held up due to the fact that on our road tests we have had four consecutive different failures on this new trip counter and we have only just got running again on 10,000 miles test chassis 4-B-IV with the latest modified counter which for the 4th time! the A.T. Co. assure us will not cause any further trouble. The majority of the troubles have been due to the internal mechanism breaking when re-setting the zero on the counter. We consider it important therefore to get this trip right and trouble free over a 10,000 mile test before we can hope to standardize it. After each failure we have naturally had to start all over again. Our proposition therefore is to standardize the larger trip figure counter on the existing instrument as soon as we can conclude our road tests satisfactorily and to leave over the introduction of the lightened type until it is redesigned to eliminate magnetic interference. | ||