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).
Chevrolet's ignition system advancements noted in 'The Motor' magazine.

Identifier  ExFiles\Box 162\3\  img210
Date  28th October 1940
  
Rm{William Robotham - Chief Engineer}/RC.{R. Childs} from Rm.{William Robotham - Chief Engineer}

eleci

Rm.{William Robotham - Chief Engineer}5/ML.28.10.40.

I was interested in some notes on the Chevrolet, in "The Motor" of October 23rd.

They have standardised 10 mm. spark plugs. Have we any samples?

They have increased the voltage at the plug points 10 - 15%. Do we know how?

They have a 50% bigger condenser across the breaker points. Have we thought of this?

What about the switch for reversing the polarity of the breaker point each time the starter is used. Is it a good idea?

Rm.{William Robotham - Chief Engineer}
  
  


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