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).
Road test instruction sheet to confirm test bed results for a vacuum tank petrol supply issue.
| Identifier | ExFiles\Box 40\4\ Scan058 | |
| Date | 2nd July 1923 | |
| RR 26 (10M BKS) (SH 668 5-11-20) MP 231103 X3575 ROLLS-ROYCE LTD. INSTRUCTIONS. To Mr Hines Date: 2/7/1923 Order No. Customer's No. C.E.X Road Test to confirm Test Bed results re Vacuum Tank supply to petrol to engine on full throttle on test road. Petrol on Tank | M.P.H. | distance covered in miles | Remarks 9 Galls | 14.5 | | float chamber full 1/2 pt in Vac. Tank " | " | .75 | Vacuum tank empty " | " | 1.25 | " " | " | .75 | on disconnecting air suction pipe from vacuum, v/v released petrol from of suction stop by blowing thro another second or so when air would have travelled further 9 gall | 21.5 | 3 | .3 pts left in tank " | " | 3 | from .3 " " | " | 3 | " The test was stopped after 30 miles on account of Brakes getting too hot Signed GHH This Sheet must be filed on completion of the work. | ||