Shutting fuel off whie driving.

[Bruce Plecan]

-----Original Message-----
From: Greg Hermann <bearbvd at sni.net>
To: diy_efi at esl.eng.ohio-state.edu <diy_efi at esl.eng.ohio-state.edu>
Date: Wednesday, March 31, 1999 5:30 PM
Subject: Re: Shutting fuel off whie driving.


>>>Flashing at this rate would not appear as constant.  However, the pulse
>>>width at idle would be so short that we might not even see it flicker.
In
>>>fact, the duty cycle will always be so low (12.5% max on 8 cyl) that the
>>LED
>>>will only ever appear dimly lit at best.
>
>>When we talk duty cycle on any engine's injectors, is it the percentage of
>>open time to time between intake events or percentage of open time to
closed
>>time regardless of RPM etc...
>-----------------------------------------------
>>Reason I ask, is if my V6 is at 5200 RPM (see's it at least once a day!)
>>then it is running 5200/60/2 43.3 intake cycles per second or intake
events
>>every 23.1ms.  With a 23.1ms injector PW, that would be 100% duty cycle
>>correct?
>
>YES--Dave, you are correct with this statement!

Uh, for SEFI, only right?.
Batch fire 1/2 of that.
Bruce
>
>Greg
>
>