Ko da yake Brabham ya yi gwaji tare da AirDams da kuma underbody skirts a tsakiyar 1970s, tawagar, kamar sauran filin, ba nan da nan fahimci Lotus ta ci gaba da ƙasa sakamako mota a 1977. The Brabham BT46B "Fan mota" na 1978, generated babbar downforce tare da fan, wanda tsotse iska daga karkashin mota, ko da yake da'awar amfani da shi ya ga engine sanyaya. The mota kawai tsere sau ɗaya a cikin Formula One World Championship<unk>Niki Lauda lashe 1978 Swedish Grand Prix<unk>before a loophole a cikin dokokin da aka rufe da FIA.Although a 1979 Murray shi ne na farko da ya yi amfani da hur "carbon fiber" kumshin bangarori zuwa stiffen Brabham ta aluminum gami monocoques, ya echoed magajinsa a cikin kasancewa na karshe racer canzawa zuwa sabon cikakken kumshin monocoques.
Motar fan