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).
Full throttle test results comparing top water temperatures for different vehicle configurations and speeds.

Identifier  WestWitteringFiles\U\August1930-November1930\  Scan022
Date  28th February 1921 guessed
  
A.{Mr Adams} FULL THROTTLE TEST 45 M.P.H.

(1) 19-EX Std. Radiator and fan belt choc.

Condition. | Top water temperature
--- | --- | ---
| Fan standard. | Fan altered.
====================================
All closed. | 92°C. | 90°C.
Four shutters open. | 85°C. | 84°C.
Louvred bonnet. | 82°C. | 80°C.

(2) 20.HP. LN-60 45 MPH.

Std. condition all closed. | 92°C.

(3) Carvalor 73 45 MPH.

Std. condition louvred bonnet. | 82°C.

B. FULL THROTTLE TEST 30 M.P.H.

(1) 19-EX standard radiator and fan choc.

Plain bonnet | 92°C.
Louvred bonnet | 88°C.
  
  


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