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).
Comparison of engine water temperatures during a hill climb test for three car models, with corresponding radiator specifications.

Identifier  ExFiles\Box 24\5\  Scan163
Date  27th May 1929
  
TEST CAT AND FIDDLE NO BONNET AIR TEMP 15°C.
VENTILATION
HILL
EACH CAR CARRIES 3 PASS AND 5 CWT BALLAST
① S.S. CAR 22 EX WT. EMPTY 48.3 CWT
② PHANTOM CAR 14 EX. WT. EMPTY 49.75 CWTS
③ OLD PHANTOM CAR 18 Y.C. WT. EMPTY 52.25 CWTS
TOP WATER TEMP C°
CLIMB MILES.
F & B. PHANTOM
4.25"
24.25
FRONT AREA 500 SQ''
VOLUME 2500 CU.INS
24.25
14 EX PHANTOM
4.8"
23.2
FRONT AREA 568 SQ''
VOLUME 2720 CU.INS
24.5"
S.S. SMALL TUBE
4.00
26.25
FRONT AREA 685 SQ''
VOLUME 2500 CU.INS
23 3/4
  
  


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