Power Losses Through Back-lash.

Why it is so Important to Take Up Wear in Every Part of the Petrol Engine Including the Timing Gear. rp HE FOLLOWING notes more par ticularly concern engines due for an overhaul......

A New Cushion Tyre With Segmental Tread.

A Tyre Which Does Not Push a Hump of Rubber Before It. W E have recently had an opportunity of -investigating the possibilities of a particularly interesting new resilient tyre,......