Von Opel had driven for the team in Formula Three in 1972 and won the Lombard North Central , British Formula Three Championship that year .
Ensign entered Formula One in 1973 , with backing from pay driver , Rikky von Opel .
Rikky von Opel   had driven for the team in Formula Three in 1972 and won the Lombard North Central , British Formula Three Championship that year .
Ensign entered Formula One in 1973 , with backing from pay driver , Rikky von Opel .