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From: Bill on 9 Feb 2007 19:02 On Fri, 09 Feb 2007 14:24:15 +0000, Knobdoodle wrote: > "Hammo" <hbaj2006(a)aapt.net.au> wrote in message > news:C1F2CA78.1F571%hbaj2006(a)aapt.net.au... >> Snip >> >> Jeez, it's only usenet man! >> > Thank you. > It's rare that someone admits they're pushing the wrong argument so > publicly. Does this bring us back to Zener diode Triumphs that have total loss oil systems and total loss electrical systems? Bill_h
From: atec "atec77 on 9 Feb 2007 23:23 Bill wrote: > On Fri, 09 Feb 2007 14:24:15 +0000, Knobdoodle wrote: > >> "Hammo" <hbaj2006(a)aapt.net.au> wrote in message >> news:C1F2CA78.1F571%hbaj2006(a)aapt.net.au... > > Snip > >>> Jeez, it's only usenet man! >>> >> Thank you. >> It's rare that someone admits they're pushing the wrong argument so >> publicly. > > > Does this bring us back to Zener diode Triumphs that have total loss oil > systems and total loss electrical systems? > > Bill_h They are not total loss , only when it counts and the insulation rubs through onto the metal bits
From: Hammo on 9 Feb 2007 23:49 <knobdoodle(a)hotmail.com> wrote: > "Hammo" <hbaj2006(a)aapt.net.au> wrote in message >> <knobdoodle(a)hotmail.com> wrote: >>> "Hammo" <hbaj2006(a)aapt.net.au> wrote in message >>>> "jlittler(a)my-deja.com" <jlittler(a)my-deja.com> wrote: >>>>> On Feb 9, 12:56 am, Hammo <hbaj2...(a)aapt.net.au> wrote: >>>>>> YFFyh.4682$sd2....(a)news-server.bigpond.net.au, "Knobdoodle" >>>>>> <knobdoo...(a)hotmail.com> wrote: >>>>>>> "Nev.." <i...(a)mindless.com> wrote: >>>>>>>> I think you've been reading too many physics books and you've lost >>>>>>>> sight >>>>>>>> of reality. Are you saying that if I measure something once per >>>>>>>> second >>>>>>>> and then multiply that by 3600 my result is not an accurate measure >>>>>>>> of >>>>>>>> an >>>>>>>> hourly rate? Do you think the computer controlling the fuel rate >>>>>>>> just >>>>>>>> guesses? >>>>>> >>>>>>> No; it actuates the injector the exact amount that it's been told to >>>>>>> for the >>>>>>> conditions it's measured. >>>>>>> It then displays the exact mpg (L/Hr, Km per kilojoule or whatever) >>>>>>> that's >>>>>>> it's been told to display too. >>>>>> >>>>>>> But it doesn't have any idea what a litre actually is and it >>>>>>> certainly >>>>>>> doean't have any ability to actually measure one! >>>>>> >>>>>> Eh? >>>>>> >>>>>> It's measured, but it can't measure? >>>>> >>>>> No, it's calculated based on what actually is "measured" (or more >>>>> accurately specified by the efi). >>>>> >>>>> The efi opens the injector for a period according to what it's lookup >>>>> table tells it is the right amount given the parameters it has sensors >>>>> measuring. It ASSUMES the fuel pressure (and hence fuel flow) is >>>>> correct (unless there has been some new fangled advances in EFI I'm >>>>> not aware of). I know of no cars that measure actual fuel flow, they >>>>> usually calculate your fuel consumption based on the amount of time >>>>> they've opened the injectors, and the number of KM's travelled. Those >>>>> two parameters are based on a number of implicit assumptions: >>>>> - the fuel pressure is correct >>>>> - there are no blockages restricting fuel flow >>>>> - the size of your tyres are as specified and hence the number of K's >>>>> calculated is correct >>>>> >>>>> etc etc >>>>> >>>>> it's a reasonably accurate estimate and more than good enough for the >>>>> purposes for which it is used. That doesn't mean the actual fuel flow >>>>> is measured. >>>> >>>> Eh? >>>> >>>> It's measured but it doesn't measure? >>>> >>> Why do you keep pretending we've said "it's measured" Hammo; when we've >>> quite clearly said the exact opposite! >> >> How does the efi know how much to squirt? It must have some idea, after >> all >> it calcs things to L/100 km. it'd have to be more than just chance. >> Don't >> tell me the petrol pump at the servo is guessing too!!?? >> > My EFI doesn't calculate L/100 km Hammo, but it still seems to know how much > fuel to use. > I have three EFI vehicles in my name and not one of them has a clue about > L/100 km or kilogrammes per joule or wangers per wombat! > They just pump in a little-bit-more or a little-bit-less depending on what > the TPS, RPM and whatever other inputs are telling them to do. Hang on. You can't see that it *may* know about these things and you conclude that it *doesn't*. Then you go onto to say that depending on the requirements they'll adjust it by some magic number to make it all run tickety boo? Hmmmmmmm Hammo
From: Hammo on 9 Feb 2007 23:59 <geoff(a)castbus.com.au> wrote: > Hammo wrote: >> <knobdoodle(a)hotmail.com> wrote: >>> "Hammo" <hbaj2006(a)aapt.net.au> wrote in message >>>> <knobdoodle(a)hotmail.com> wrote: >>>>> "Hammo" <hbaj2006(a)aapt.net.au> wrote in message >>>>>> <knobdoodle(a)hotmail.com> wrote: >>>>>>> "Nev.." <idiot(a)mindless.com> wrote: >>>>>>>> I think you've been reading too many physics books and you've lost >>>>>>>> sight >>>>>>>> of reality. Are you saying that if I measure something once per >>>>>>>> second >>>>>>>> and then multiply that by 3600 my result is not an accurate measure of >>>>>>>> an >>>>>>>> hourly rate? Do you think the computer controlling the fuel rate just >>>>>>>> guesses? >>>>>>>> >>>>>>> No; it actuates the injector the exact amount that it's been told to >>>>>>> for >>>>>>> the >>>>>>> conditions it's measured. >>>>>>> It then displays the exact mpg (L/Hr, Km per kilojoule or whatever) >>>>>>> that's >>>>>>> it's been told to display too. >>>>>>> >>>>>>> But it doesn't have any idea what a litre actually is and it certainly >>>>>>> doean't have any ability to actually measure one! >>>>>> Eh? >>>>>> >>>>>> It's measured, but it can't measure? >>>>>> >>>>> Quantify "measured". >>>> That is exactly what I am asking you to do!! >>>> >>> But I said it's NOT measured. >> >> Look up the page!! It measures things, so the sum of the measure must be >> something. >> > Some of the things it does are measured, others aren't. The result when > combined is effectivly an _estimate_. > ...and the Captain Obvious award goes to G-S. Is this where you wanna start talking about analytic measuring techniques and what is deemed to ISO, NATA and Aus Standards? Hammo
From: sharkey on 9 Feb 2007 23:59
Theo Bekkers <tbekkers(a)bekkers.com.au> wrote: > > Well, as they do work as switch mode power supplies, it is not a total loss > system and when you turn on the headlights you will use more, albeit only a > tiny bit more, power from the engine, requiring more fuel. Yeah, I think this is where I came in :-) -----sharks -- Du verschwendest �bertragungskapazit�ten. |