> litres you have at least 20 litres. Whereas with a capacitance gauge if it
> says you have 22.5 litres may have 22.5 litres then again you may not."
>
> This is not so, it's the opposite that happens, capacitance gauges are used
>on large aircraft because they do show actual contents, e.g. the mass of the
>remaining fuel which is what you need to know.
This works well on large aircraft because jet fuel is very consistant. Auto
fuel (as is used on many Europa's) is not nearly as consistant, and if you
are switching between auto and 100LL then the capacitance gauge is much worse
off!
Brian
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