Not only that, in Peru you have to drive in reverse if you want to go forward.
Very confusing.
--
Martin Secrest
72 TR6
73 GT6
Don Spence wrote:
> Dave massey asked...Now, why do engines all turn in the same direction?
>
> They don't Dave. Only those in the northern hemisphere do. For reasons
> similar to those that cause vortices to rotate in opposite directions in the
> northern and southern hemispheres, engineers found that opposite rotational
> direction was more efficient in the southern hemisphere.(Partially
> attributable to the rotational vortices induced in the induction
> mechanisms). Consequently, vehicles intended for southern hemispheric
> combustion require different camshafts, distributor timing gears (and marks)
> flipping the rear axle etc..Contra-rotation also explained the rarity of
> automatic transmissions in the southern hemisphere as auto boxes are
> dependent upon fluid pressure to operate clutches and shifts and would
> hence, require a compete re-engineering to function.
>
> One negative result of the export of non southern-optimized, contra-rotating
> cars to the southern hemisphere is realized in the early decay of the
> exhaust system. The induced drag in the non optimized induction system
> results in an excess of unburned hydrocarbons (raw fuel) running through the
> exhaust system with the expected result. Anyone who has visited the south is
> well aware of the increased auto-sourced atmospheric pollution and the
> accompanying din of un-muffled exhaust there.
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