Rolls-Royce Archives
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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).
Dynamometer test results for a chassis, including engine speed, horsepower, and consumption.

Identifier  ExFiles\Box 126\4\  scan0021
Date  9th January 1912
  
R.R. 298 b (2½ H) X. 435 14.12.11) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2231.
X432
6 Cylinder Knight 38 HP Daimler
DYNAMOMETER TEST.
Chassis No.
Have tested Chassis for acceleration, etc., and at full load on all gears as below:
general condition:-
Axle No. State of heat
Engine freedom
Max. torque ... lbs. Engine speed
3rd. Gear 10 mins. at 500 revs. H.P. 67.
" " 10 " at 750 revs. H.P. 99.
" " 15 " at 1000 revs. H.P. 121.
" " 10 " at 1250 revs. H.P. 133.
" " 10 " at 1500 revs. H.P. 141.
" " 10 " at 1750 revs. H.P. 141.
1st & 2nd Gear 10 mins. at 1000 revs.
Condition of ignition
plugs after test
Condition of lubrication of cylinders after full load test
Compressions
Miles run 82.
Consumption 3rd Gear full power.
1250 revs. gallons per. H.P. hour
1 qt 4 min 15 secs 1000 Revs
REMARKS: Standard as received from Mr Bolton car was very noisy engine
Tested and passed by Bowe Date 9.1.12.
  
  


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