Tin based catalysts were developed during the Second World War to enable British built planes to operate on low grade Russian fuel. It was accepted that the product worked but its method of operation was largely, if not totally misunderstood. 

Fuelstar International Ltd, the manufacturer of the product, engaged research scientist in fuel combustion, Mr Ron Wilkinson MRACI, C.Chem. MAIPet of Melbourne to conduct a scientific study to elucidate the means by which the product functions. It was found that there were no chemical or catalytic reactions within the canister but minuscule particles of metallic tin, of nano-metric dimension, were liberated into the fuel supply (with the aid of vibration) where they would be carried in colloidal suspension through to the combustion chambers. 

It was readily accepted that metal particles change the combustion characteristics of fossil fuels. What was not known was if and how the particles reached the combustion chambers.

Eminent consulting chemist and also a fuel combustion expert, T James Sprott OBE, MSc, PhD, FNZIC of New Zealand has described the work by Mr Wilkinson as epoch making.

Fuelstar has discovered that these products will not work properly, if at all, if there is a filter between the Fuelstar canister and the engine. This is not because the filter is fine enough to trap the particles but because the particles, which are electrostatically charged, have the charge removed by the filter and the particles attach themselves to the wall of the filter. In particular, thimble type filters found in some carburettors must be removed. 

Also, the metallic particles can become caught on rough surfaces in fuel lines which will delay or prevent the proper operation of the product. To overcome this possible eventuality, it is best to mount the canister as close to the carburettors or injectors as conveniently possible.

Fuelstar International Limited holds patents and trade marks over the product.

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