Dynamometer test report for a chassis, detailing engine horsepower at various RPMs and other performance metrics.
| Identifier | ExFiles\Box 4\7\ 07-page15 | |
| Date | 9th March 1912 | |
| R.R. and Derby [illegible] 2141 C.G.L. Lancaster DYNAMOMETER TEST Chassis No. Have tested Chassis for acceleration, etc., and at full load on all gears as below: General condition: Axle No Engine freedom State of heat Max. torque ..... lbs. Engine speed 3rd. Gear 10 mins. at 500 revs. H.P. 91.5 " " 10 " " 750 revs. H.P. 90 1/5 " " 15 " " 1000 revs. H.P. 119 " " 10 " " 1250 revs. H.P. 149 2/5 " " 10 " " 1500 revs. H.P. 153 3/5 " " 10 " " 1750 revs. H.P. 161.5 1st & 2nd Gear-40 miles at 2000 revs. - H.P. 165.5 Condition of ignition plugs after test [2.2.3.0 crossed out] 137 Condition of lubrication of cylinders after full load test Compressions Miles run 10 Consumption 3rd Gear full power 1250 revs - gallons per. H.P. hour REMARKS- Vibrations were eliminated after run in stead of 2300 miles Tested and passed both Date 9 3 12 | ||
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).