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).
Battery test report detailing the second charge, weight, and discharge performance.

Identifier  ExFiles\Box 38\5\  Scan011
Date  26th April 1917 guessed
  
-2- Contd.

(5) Second charge:-

From. To. Hours Amperes. Ampere hours.
12.15 9.0 8.75 3.5 30.6
8.40. 12.0 3.33 3.5 11.7
8.40. 5.30 8.83 3.5 30.9
9.0. 6.0 9.0 4.0 36.0

======
109.2
Total ampere hours.________

re
(6) Emptying and filling.

(7) Continuation of charge.

(8) Weight of battery 83 lbs. 12 ozs.

(9) Cell densities:-
not takeable
(1) (4)
(2) X (5) X
(3) (6)

(10) Discharge at 6 amperes
to 10.5 volts.

Total hours. 7
Ampere hours realised. 42


Contd.
H.L. 235a (500 f) (S.D. 408. 28-4-17) B'm 2/155/13.
  
  


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