David has been racing with HFO since 2000.
His Lotus 87 was one of the three chassis built as the Type 88 ‘twin-chassis’ car.
Although, deemed legal by the FIA during pre-season testing it was banned from the inaugural round of the 1981 Championship. Confident that he had circumvented any technical objections Chapman submitted three revised Type 88 ‘B’ specification cars for scrutineering prior to the British GP at Silverstone one of which was chassis 88/B4. Disqualified after 1st practice alongside the other two on the Friday night of race weekend, 88/B4 was subsequently converted into 87/4.
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