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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).
Analysis of a reported battery explosion and related electrical system faults.

Identifier  ExFiles\Box 46\3\  Scan122
Date  2nd February 1923
  
Contd. -2- EFC2/T2.2.23.

out of the vent holes to provide an explosive trail.
most
It is unlikely that the cause of the explosion
were due to a fault on any other part of the system, and
this apparently has been proved by the Exide Agents
Messrs. Falconer Cross.

Regarding the customer's statement that he was
able to drive the car with all lights on for some 60
miles, this would certainly be quite possible and would
be unlikely to result in any damage to the dynamo, so long
as all lights were on. If, however, the head lamps
had been switched out, there would have been a possibility
of the side lamps being burnt out and the dynamo roasted,
should the electric circuit through the accumulator have
been so far spoilt as not to entere into consideration .
It is likely, however, that there was still some sort of
circuit through the accumulator which might have prevented
the side lamps from being burnt out by the dynamo.

The customer may be interested to know that we
have certainly had experience of cell bursting on the
bench tests of batteries, but this seems to be the first
case in our recollection of this happening on a chassis
in service.

The type of Exide. battery which is now being supplied
as standard is the '6BXRE5'.


EFC.
  
  


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