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Re: Battery Voltage at WOT
Originally Posted by stealthiskey
True, and that's why the inj battery offsets are important. Injectors aren't under 5V regulators. they get as much voltage as possible to maximize effeciency.
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Re: Battery Voltage at WOT
Originally Posted by Dmc1
and under what conditions do you really want the injectors working as efficiantly as possible? I just looked though some datalogs as well. wot full boost battery voltage stay around 13.5v
as long as the battery offset is stable |
Re: Battery Voltage at WOT
what I meant by efficiently refers to use of space in the design. Power=voltage * current. Higher currents necessitate thicker wiring and generate more heat through resistive losses. By running the injectors at max voltage less current is needed to obtain the same power and the internal wiring can be made smaller without increasing the heat generated (diminishing the duty cyle). Smaller wiring means it can be wrapped more times, each turn of wire increases the magnetic force on the pintle.
That's one reason why saturated injectors aren't limited to 5 volts. Peak and hold injectors could probably be operated on a regulated 5V source, but for whatever reason this is always left up to an external resistor box and the ECU still sends out max voltage. I guess to maintain compatibility with either style. |
Re: Battery Voltage at WOT
It uses max voltage to cut down on dwell time. But back on the subject I don't think the alternator shuts off at wide open throttle. I may be wrong but I doubt it.
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Re: Battery Voltage at WOT
new problem!
new battery good alt power draining somehow how do i check i uplugged battery to see if it will start in the morn |
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