Fig. 1. Filling of differential cover with the molten metal coloured by speed with blue being slow and red being fast. The casting is shown in top view on the left and bottom view on the right. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)

Fig. 1. Filling of differential cover with the molten metal coloured by speed with blue being slow and red being fast. The casting is shown in top view on the left and bottom view on the right. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)

Fig. 1. Filling of differential cover with the molten metal coloured by speed with blue being slow and red being fast. The casting is shown in top view on the left and bottom view on the right. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)

Fig. 1. Filling of differential cover with the molten metal coloured by speed with blue being slow and red being fast. The casting is shown in top view on the left and bottom view on the right. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)