scott wrote:
>> I'm still puzzled about the Race of Champions. They raced several 
>> designs of car which seemed to be using *external combustion* to 
>> propell themselves, rather than the more traditional *internal 
>> combustion*. (As evidenced by the huge flashes and bangs as they raced 
>> round the track.)
> 
> That's quite common on race-tuned carburetor-engined cars, under certain 
> circumstances they simply pour so much fuel into the engine that some of 
> it goes unburnt through the exhaust system and ignites once the exhaust 
> mixtures mixes with enough oxygen in the atmosphere.

You would think, though, that if that fuel had burned inside the engine, 
it would deliver more power. And since the goal of any race-tuned engine 
is to produce maximum power......

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