A compressor has a compressor wheel (1) consisting of a hub(2) made of endless fibre-reinforced thermoplastic and fitted with conforming vanes (5) separately prefabricated from endless fibre-reinforced thermoplastics. Pref. the hub (2) is made by simultaneously heating and winding a prefabricated carbon fibre-reinforced thermoplastics (pref. polyphenylene sulphide or polyetherketone) tape.