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Hybrid engines

2nd July 2019

As early as 1915 Fred was beginning to think about the possibilities hybrid petrol-electric engines offered. In fact he took a patent out in 1915 for an internal combustion engine, electric motor and and a generator on one shaft. This was not developed further until the 1920s when Fred and his brother George began to investigate the possibilities further.

By 1925 Fred had taken out a final patent for what he called the ‘Petrelect’ system, or what we call today a hybrid engine. It followed the same principles of today’s hybrid engines.

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