Has no-one spotted the flaw in the idea that these magic, apparently insoluble pellets rattling around the floor of the petrol tank were "catalysts" ?
Catalysis is the encouragement of a chemical reaction by an additive that does not itself react. In a catalytic exhaust the reaction being helped along is the decomposition of compounds by heat – I don't pretend to know the chemistry further than that.
Nothing is reacting, within the fuel tank. If those FTC Pellets were to work at all they would need dissolve slowly, adding to the fuel an active ingredient sufficiently volatile to accompany the petrol vapour into the cylinders. What would happen to the tablets' non-reactive ingredients – their binders, etc. – though?
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The world was awash with supposed wonder inventions and strange myth – my favourite myth being that of course the oil-companies bought and crushed such things as running the engine on water.
I recall Motorcycle News in the 1970s, running advertisements for a so-called "Injector" – I forget the full name or the brand – which apparently replaced the conventional carburettor. The photograph showed a neat rectangular block with an inlet venturi, outlet flange and the throttle-cable connection. No other external features on what I suspect was just a fancy carburettor.
The same paper once publicised something called the Trigonic tyre. This was the trade-mark for a fancy new re-invention of the wheel by one of the leading tyre manufacturers, not some fly-by-night outfit. I think it was aimed at the racing business rather than Joe Public's street Norton or Triumph; but its peculiarity was its rounded-triangular profile. It looked as if handling would have been an art, to say the least. When riding straight and level, only about a third of the tread width would have been on the road; and it was difficult to see what effect the rapid change of outline would have on leaning into a tight bend. Perhaps it was meant to help the knee-pad-to-the-tarmac cornering style beloved of the racing-Press photographers, but I don't think it caught on.
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Somewhere once many moons past I recall an intriguing advertisement for the information about some promising green-dream machine "engine" – long before the "greens" were sprouting. I sent off the requested s.a.e..
The drawing proved the machine was no more than a simple radial-vane, rotary-displacement motor; but I never discovered its wonderful working fluid and source thereof. Clearly that was what really mattered, but I forget if the inventor was not revealing it, or if, disillusioned despite already being very sceptical, I did not bother to pursue it further.
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Does anyone remember though, the delightful April Fool spoof one of the railway enthusiasts' magazines produced when BR was scrapping steam locomotives faster than you could say "Dai Woodham" ?