"Paul, Have you ever looked at Johns system? "
yes i have and i think ive said in the past that it will give a reasonable starting point. it only calibrates to one condition though.
Why would it matter if i do or do not race in a rotax class?
would it affect the way a carburettor works?
" this practice however is beyond the scope of most Karters"
nah, im sure they can manage it. and if they cant, then those that can will be ahead of those that cant.
i dont think its that difficult to find the jetting that gives the best acceleration (using a data logger) for a given air temp/density.
and over time you soon aquire enough data
maybe the casual karter is happy to "black box" it tho?
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