Rolls-Royce Archives
         « Prev  Box Series  Next »        

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 terminal potential differences of standard P&R batteries during charging at different currents.

Identifier  ExFiles\Box 54\1\  Scan087
Date  4th February 1926
  
RR 238 (150 BKS.) (DB{Donald Bastow - Suspensions} 431-8 12 24) MP 306975
ROLLS-ROYCE, LTD.
INSTRUCTIONS.
To: E.F.b.
Order No.: J.C.6.
Customer's No.:

Re terminal P.D.s. of Std. P&R Batteries.

The terminal P.D.s. were taken on 20HP & 40/50HP P&R batteries when charging at different currents as follows.

Amperes | 20HP TBD7-10 | 40/50HP RR11-2
9 | 2.91 | 2.80 | .11
12 | 2.95 | 2.83 | .12
14 | 2.99 | 2.86 | .13

Only one reading is given because all the cells were the same.

Signed
G.F.
This Sheet must be filed on completion of the work.
  
  


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙