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 performance comparison of a Humber Snipe Fabric saloon against an average 20/25 HP model, covering hill climbs and acceleration.
| Identifier | Morton\M19\ img086 | |
| Date | 2nd June 1931 | |
| To R.{Sir Henry Royce} From Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} c. to Sg.{Arthur F. Sidgreaves - MD} Wor.{Arthur Wormald - General Works Manager} c. to E.{Mr Elliott - Chief Engineer} Da.{Bernard Day - Chassis Design} c. to Ey. Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey}3/KT.2.6.31. X1525. HUMBER SNIPE. We have carried out a short road test on a Humber Snipe Fabric saloon. The car had 6,050 miles to its credit, if the speedometer was a correct indication of its mileage. The car complete, filled up with petrol weighed 30 cwt 3 qrs. The performance compared with an average 20/25 HP. Rolls-Royce is as follows :- | | Humber Snipe | R.R. | | :--- | :--- | :--- | | **Stanton Hill.** | | | | Start | 10 m.p.h. | 10 m.p.h. | | Finish | 20 m.p.h. | 29 m.p.h. | | Time | 30 secs. | 25 secs. | | **Ticknall Hill.** | | | | Start | 10 m.p.h. | 10 m.p.h. | | Finish | 34 m.p.h. | 48 m.p.h. | | Time | 67.4 secs. | 68 secs. | | **Pistern Hill.** | | | | Start | 10 m.p.h. | 10 m.p.h. | | Finish | 17 m.p.h. | 20 m.p.h. | | Time | 73 secs. | 68 secs. | **Acceleration.** **Top Gear.** 10-30 m.p.h. Humber 10.6 secs. R.R. 9 secs. 10-60 m.p.h. Humber 28 secs. R.R. 36 secs. **3rd. Gear.** 10-30 m.p.h. Humber 6.6 secs. R.R. 7.5 secs. 10-50 m.p.h. Humber 16.4 secs. The maximum speed on top gear on the Humber appeared to be 70 m.p.h. and on 3rd. gear 56 m.p.h. | ||