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).
Test results for an SX Battery (157), detailing bench life, low-rate, and high-rate discharge performance.

Identifier  ExFiles\Box 54\1\  Scan359
Date  24th April 1930
  
E.L.B.
J.D.75.
X.46175
24-4-30
X46175
Tests on SX Battery (157)
This battery has been on our bench life test for 26 months & has run 13,787 miles.
On Low Rate Discharge 35.3 ampere hours were realised.
All cells shewed positive weakness.
On High Rate Discharge
Initial amperes = 107.0
Time to 104 " = 4.0 min
" " 100 " = 6.2 "
" " 90 " = 10.3 "
" " 80 " = 12.1 "
All cells shewed slight positive weakness.
No 1 cell has the poorest capacity & was originally in S2 battery.
GJ
  
  


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