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oldcorollas
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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003

Re: estimating injector duty cylce, and fuel delivery volume...	Sun, 25 January 2004 13:05

Ed, get Megatune from the megasquirt yahoo group. you can put it engine size, injector size, AFR, and it tells you the "ideal" pulsewidth required if you have 100% volumetric efficiency. or,send me some info, like rpm, injector flow, number of injection events per engine cycle, engine size, number of cylinders, and i willplug it into my MS, and use the Megastim to show what the pulse widths and duty cycle will be. i will also need you to estimate the VE of the engine at the rpm you want.... (or just say 100% for a max figure for duty) will take me all of 5 seconds... (or so) Cya, Stewart the algorithm MS uses for PW calcualtion is around somewhere, ou could use that as a basis for plugging in.. or you could do the same by calculating amount of air per cylinder, working out amount of fuel for given AFR, then working out % of injector cycle required to provide this.. [Report message to a moderator]

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