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Road test report on Delco-Remy high-put coils, measuring resistance and temperature under different conditions.


Identifier  ExFiles\Box 164\5\  img379
Date  13th August 1938
  
-2-
DELCO REMY & HYATT LTD.
Rm {William Robotham - Chief Engineer} /RC. {R. Childs} 9/JH.13.8.38.

ROAD TEST ON 24.G.VI.
DELCO-REMY HIGH-PUT COIL No.19.A.

Test taken without the use of heat resistance washers. Working voltage during test 15.

TIME. | RESISTANCE OF PRIMARY. | TEMPERATURE OF PRIMARY.
0 - 30 | 4.5 | 151°C.
1 - 0 | 4.75 | 171°C.
1 - 15 | 4.85 | 179°C.
1 - 30 | 4.85 | 179°C.

Test repeated using the heat resisting washers.

TIME. | RESISTANCE OF PRIMARY | TEMPERATURE OF WINDING.
0 - 30 | 4.74 | 170.5°C.
1 - 0 | 4.82 | 177°C.
1 - 15 | 4.91 | 184°C.
1 - 30 | 4.91 | 184°C.

Test repeated on another make of coil.

TIME. | RESISTANCE OF WINDING. | TEMPERATURE OF WINDINGS.
0 - 30 | | 84°C.
1 - 0 | | 106°C.
1 - 15 | | 106.5°C.
1 - 25 | | 106°C.

Crank-case temperature during test attained a maximum in 1 hr. 15 min., & at which time it was 79°C. Bm/RC. {R. Childs}
  
  
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).


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