Jet sizes, Fractional mm or arbitrary sized?
I was just reading the wiki and it seems that a #56 bing jet is not the same bore as a #56 Dell'. It also appears neither are sized at the fractional mm (eg. #56 = .56mm).
Am I reading this right?
Jet sizes, Fractional mm or arbitrary sized?
I was just reading the wiki and it seems that a #56 bing jet is not the same bore as a #56 Dell'. It also appears neither are sized at the fractional mm (eg. #56 = .56mm).
Am I reading this right?
For some brands that does apply but others it does not.
maybe this will help.
On the wiki for Keihin carbs it states that the jet size is the total cc that will pass through the jet in 1 minute. That explains why they are not directly related to the drill size.
Ok, that explains it, thanks. Actually the cc/min would be a more useful measure anyway I bet, if one were really splitting hairs, or they wanted to run an equation of comparative flow volumes. Well, I'll just shut up and go with the chart for drilling :-)
I'll bet with a tach (to get rpm), stroke length, bore size, and a little bit of math, you could actually calculate what jet you should be using for optimum fuel consumption and max power.
though i don't do any of said math without said money
-Shadow
If you do any off-chart experimental drilling, please post back with your results so they can be added to the wiki. The more numbers we have in there, the better.
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