Nearly square external dimensions mean the large eight-cylinder engine will fit in the space typically taken by a V6 engine.

Both engines fit into the engine bay of the car which is the same between both versions.

Radial engine in fuselage front, fitted with a Townend ring.

The later breathing system could have been fitted or the engine fitted to a later vehicle.

Both of these units have now had MTU engines fitted.

The new bodied cars for 1935 retained the engines fitted in the 1934 models.

It continued with this non-standard engine fitted until its withdrawal in 1990.

As the image shows, the engine fitted neatly into the cycle frame.

The third prototype (E3) flew in July 1967 with all ten engines fitted.

The company was very interested in having the engine fitted into the F1.