 The monocoque weighs and is manufactured by Carbo Tech, an aerospace contractor based in Austria.With an aim of building 4,000 cars per year, McLaren deemed the traditional pre-impregnation method used to mould parts too labour-intensive and instead used an alternative method which involves a resin transfer moulding process.The process involves a mould whose tooling involves internal, removable mandrels for the hollow sections which allows the tub to be built in one piece.