measuring fuel efficiency
in [Design]
|
From: Jim Thompson on 13 Aug 2010 14:42 On Fri, 13 Aug 2010 18:12:56 GMT, zekfrivo(a)zekfrivolous.com (GregS) wrote: >In article <e40b66l29jvukhp6bcab5cll4lqgc117ni(a)4ax.com>, Charlie E. <edmondson(a)ieee.org> wrote: >>On Thu, 12 Aug 2010 11:03:53 +0100, "Nial Stewart" >><nial*REMOVE_THIS*@nialstewartdevelopments.co.uk> wrote: >> >>>> Oh yeah, certainly the "gallons delievered" read-out is accurate... but if >> you're doing as Rich >>>> says (and this is what my parents taught me to do decades back), it relies >> on your filling your >>>> tank up to the same level as it previously was, and hence the question is >> how consistent are the >>>> auto-shut-off detection devices from pump to pump? (...this is why Rich >> says to use the same pump >>>> at the same station, to avoid this variation...) >>> >>> >>>This doesn't really matter as long as you finish at the same pump you started >> at! >>> >>> >>>Nial. >>> >>Also, if you have a filler tube like mine, it tends to cut off >>multiple times during a fill up, so you often don't get a 'full' fill >>up every time. >> >>But like anything, it is the average that is important. if you do the >>calculation every time, then pretty soon you know what mileage to >>expect for the type of driving you do. >> >>And, when you don't get that mileage, to start looking for what is >>wrong! (like an almost flat tire... ;-) ) > >I normally get a good fill by waiting a couple seconds after the thing >shuts off, and push again, and again. This lets the fuel settle down >into the main tank. > >I remember those Ca. or elswhere vapor stops on the ends of the filler spout. I never figured >those out. I also cannot figure out why a couple tablespoons of gas goes >on the walkway, every time after I remove the filler tube from my car. > >greg > To clean up Californica air ?:-) ...Jim Thompson -- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | Spice is like a sports car... Performance only as good as the person behind the wheel.
From: GregS on 13 Aug 2010 15:20 In article <af4b66p61dh74835unv3lfk9fqisg31d7f(a)4ax.com>, Jim Thompson <To-Email-Use-The-Envelope-Icon(a)On-My-Web-Site.com> wrote: >On Fri, 13 Aug 2010 18:12:56 GMT, zekfrivo(a)zekfrivolous.com (GregS) >wrote: > >>In article <e40b66l29jvukhp6bcab5cll4lqgc117ni(a)4ax.com>, Charlie E. > <edmondson(a)ieee.org> wrote: >>>On Thu, 12 Aug 2010 11:03:53 +0100, "Nial Stewart" >>><nial*REMOVE_THIS*@nialstewartdevelopments.co.uk> wrote: >>> >>>>> Oh yeah, certainly the "gallons delievered" read-out is accurate... but if >>> you're doing as Rich >>>>> says (and this is what my parents taught me to do decades back), it relies >>> on your filling your >>>>> tank up to the same level as it previously was, and hence the question is >>> how consistent are the >>>>> auto-shut-off detection devices from pump to pump? (...this is why Rich >>> says to use the same pump >>>>> at the same station, to avoid this variation...) >>>> >>>> >>>>This doesn't really matter as long as you finish at the same pump you > started >>> at! >>>> >>>> >>>>Nial. >>>> >>>Also, if you have a filler tube like mine, it tends to cut off >>>multiple times during a fill up, so you often don't get a 'full' fill >>>up every time. >>> >>>But like anything, it is the average that is important. if you do the >>>calculation every time, then pretty soon you know what mileage to >>>expect for the type of driving you do. >>> >>>And, when you don't get that mileage, to start looking for what is >>>wrong! (like an almost flat tire... ;-) ) >> >>I normally get a good fill by waiting a couple seconds after the thing >>shuts off, and push again, and again. This lets the fuel settle down >>into the main tank. >> >>I remember those Ca. or elswhere vapor stops on the ends of the filler spout. > I never figured >>those out. I also cannot figure out why a couple tablespoons of gas goes >>on the walkway, every time after I remove the filler tube from my car. >> >>greg >> > >To clean up Californica air ?:-) Exactly, but what about that gasoline on the cement ??? Where is the suction device ?? greg
From: Jim Thompson on 13 Aug 2010 16:14 On Fri, 13 Aug 2010 19:20:35 GMT, zekfrivo(a)zekfrivolous.com (GregS) wrote: >In article <af4b66p61dh74835unv3lfk9fqisg31d7f(a)4ax.com>, Jim Thompson <To-Email-Use-The-Envelope-Icon(a)On-My-Web-Site.com> wrote: >>On Fri, 13 Aug 2010 18:12:56 GMT, zekfrivo(a)zekfrivolous.com (GregS) >>wrote: >> >>>In article <e40b66l29jvukhp6bcab5cll4lqgc117ni(a)4ax.com>, Charlie E. >> <edmondson(a)ieee.org> wrote: >>>>On Thu, 12 Aug 2010 11:03:53 +0100, "Nial Stewart" >>>><nial*REMOVE_THIS*@nialstewartdevelopments.co.uk> wrote: >>>> >>>>>> Oh yeah, certainly the "gallons delievered" read-out is accurate... but if >>>> you're doing as Rich >>>>>> says (and this is what my parents taught me to do decades back), it relies >>>> on your filling your >>>>>> tank up to the same level as it previously was, and hence the question is >>>> how consistent are the >>>>>> auto-shut-off detection devices from pump to pump? (...this is why Rich >>>> says to use the same pump >>>>>> at the same station, to avoid this variation...) >>>>> >>>>> >>>>>This doesn't really matter as long as you finish at the same pump you >> started >>>> at! >>>>> >>>>> >>>>>Nial. >>>>> >>>>Also, if you have a filler tube like mine, it tends to cut off >>>>multiple times during a fill up, so you often don't get a 'full' fill >>>>up every time. >>>> >>>>But like anything, it is the average that is important. if you do the >>>>calculation every time, then pretty soon you know what mileage to >>>>expect for the type of driving you do. >>>> >>>>And, when you don't get that mileage, to start looking for what is >>>>wrong! (like an almost flat tire... ;-) ) >>> >>>I normally get a good fill by waiting a couple seconds after the thing >>>shuts off, and push again, and again. This lets the fuel settle down >>>into the main tank. >>> >>>I remember those Ca. or elswhere vapor stops on the ends of the filler spout. >> I never figured >>>those out. I also cannot figure out why a couple tablespoons of gas goes >>>on the walkway, every time after I remove the filler tube from my car. >>> >>>greg >>> >> >>To clean up Californica air ?:-) > >Exactly, but what about that gasoline on the cement ??? >Where is the suction device ?? > >greg Actually I can't remember any "spills" of that sort in quite some time. ...Jim Thompson -- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | Spice is like a sports car... Performance only as good as the person behind the wheel.
First
|
Prev
|
Pages: 1 2 3 4 5 6 7 Prev: Diode Array - anyone make them.....cheap? Next: Which multi-PIC mid-range comms protocol? |