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motorman

Two engines instead of one?

13 December, 2024

Popping two motors into a car is not only complicated, it doesn’t always end well. Donn Anderson recalls early attempts, including John Cooper’s ill-fated original Twini Mini built 58 years ago

For a boost in performance, better traction, and perhaps improved handling to some, two motors seems an obvious solution. It would also eliminate the need to develop a larger engine replacement from scratch, but would that outweigh the not inconsiderable technical difficulties?
The idea of using a pair of engines dates back at least 86 years to the Alfa Romeo Bimotor single seater racing car that was officially timed at 335km/h, or 208mph. Taking a lengthened Alfa P3 chassis, the Italians fitted two supercharged straight eight 2.9-litre and 3.2-litre engines, one in front of the cockpit, and the other behind the cockpit.

1927 MERCEDES SUPERCHARGES BEACH RACING

11 July, 2023

Home Kidston did a lot more than tackle the Muriwai sands during his New Zealand adventure nearly 90 years ago. Donn Anderson uncovers the fascinating story behind the Kidston family and a special Mercedes-Benz.
Home, or “HK” as he was often known, added a dash of international flavour when he arrived with his exotic German machine on the Muriwai beach sands in March 1934 for the annual championship organised by the Muriwai Motor Racing Club Limited. The supercharged Mercedes created high interest but had spark plug problems and was unplaced in four races. Kidston said the Roots blower only came in “when you put your foot down and if you held it for too long the plugs became incandescent”.