Image90 Heinkel Bubble Car & Berkeley T60

Rear - Heinkel Bubble Car 350cc single cylinder four stroke behind & .
Front - Berkeley T60.
this one looks to have a Mini engine fitted, although on second thoughts it is probably the three cylinder version.
the original engine would have been a 350cc two stroke twin.
with combined electric dyno start ; front wheel drive in the three wheel version - .
four wheel version (Rebel?) had a 500cc engine