| [GMCnet] fuel sender [message #354635] |
Tue, 12 May 2020 08:57  |
Hanson Email
Messages: 110
Registered: March 2020
Karma: -1
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There actually is a fairly inexpensive way to know how much fuel you have in
your tank . Know how much fuel you take out. I was the distributor for the
Enstrom helicopter in the West for a number of years and equipped most of
them with a fuel flow transducer that calculated the total used by the
engine. Pretty simple to figure when you knew how much you had put in.
Still available, just an inline device hooked to your 12 volt and a gauge.
Don't know current costs.
Dean Hanson
75 Avion who uses the drive 350 miles and fill routine.
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| Re: [GMCnet] fuel sender [message #354666 is a reply to message #354639] |
Wed, 13 May 2020 00:03  |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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I have often thought of that type of measurement system. Then I fallback to the time (stopwatch) or odometer based measurement system. Mine is simple and it works though probably not as accurate and a transducer based system.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] fuel sender [message #354669 is a reply to message #354666] |
Wed, 13 May 2020 05:45 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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I have new SS senders, but the one in the Main isn't very accurate (my
custom calibration wasn't very good); and, I apparently shorted the one in
the Aux while re-installing the tank. Neither of them bothers me very much
because I have a more reliable fuel management technique:
Since my EFI return line goes to the Aux tank, I always know that its
reserve is there. So, I run on the Main tank until the engine sputters,
switch to the Aux, and look for a service station. With 6+ gallons
reserve, 8 mpg gives me about 50 miles to find fuel -- 'tho' I usually stop
long before then anyway.
Ken H.
On Wed, May 13, 2020 at 1:04 AM Ken Burton via Gmclist <
gmclist@list.gmcnet.org> wrote:
> I have often thought of that type of measurement system. Then I fallback
> to the time (stopwatch) or odometer based measurement system. Mine is
> simple and it works though probably not as accurate and a transducer based
> system.
> --
> Ken Burton - N9KB
> 76 Palm Beach
> Hebron, Indiana
>
> _______________________________________________
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] fuel sender [message #354676 is a reply to message #354669] |
Wed, 13 May 2020 11:26 |
Bill Van Vlack
Messages: 419
Registered: September 2015
Location: Guemes Island, Washington
Karma: 14
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Senior Member |
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If you have a GM throttle body EFI and the EBL system, you can add WinLog-EBL to get three resettable trip meters that display miles, gallons, and MPG on a Windows screen. It uses the EFI pulse width info to calculate gallons. There is a calibration constant in the EBL BIN for injector #/hr that has to be set by using a known quantity of fuel and adjusting the constant so that the trip meter agrees.
I've never been confident that I'm filling the tank to the same level at successive fuel stops, so I'll be running the trip meter over several 'fillups' to calibrate.
Bill Van Vlack
'76 Royale; Guemes Island, Washington; Twin bed, full (DS) side bath, Brazilian Redwood counter and settee tops,455, 6KW generator; new owner a/o mid November 2015.
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| Re: [GMCnet] fuel sender [message #354677 is a reply to message #354676] |
Wed, 13 May 2020 12:30 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Senior Member |
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Probably, weighing the fuel when it is placed in the tanks, and measuring
the flow weight as it is consumed is the most accurate way of determining
remaining fuel, though it does not give you much of an idea of unusable
fuel in the tanks, which in a GMC, is considerable and varies by slope and
tilt of the coach.
No system is perfect. The only way that you can absolutely guarantee
you won't have to be lugging heavy fuel cans down the shoulder of some
remote 2 lane in the pouring rain, is to refill at 1/2 tank. But everything
in life is a learning experience. Some of you might enjoy that. But not me.
Jim Hupy
Salem, Oregon
On Wed, May 13, 2020, 9:35 AM Bill Van Vlack via Gmclist <
gmclist@list.gmcnet.org> wrote:
> If you have a GM throttle body EFI and the EBL system, you can add
> WinLog-EBL to get three resettable trip meters that display miles, gallons,
> and MPG
> on a Windows screen. It uses the EFI pulse width info to calculate
> gallons. There is a calibration constant in the EBL BIN for injector #/hr
> that has
> to be set by using a known quantity of fuel and adjusting the constant so
> that the trip meter agrees.
>
> I've never been confident that I'm filling the tank to the same level at
> successive fuel stops, so I'll be running the trip meter over several
> 'fillups' to calibrate.
>
> --
> Bill Van Vlack
> '76 Royale; Guemes Island, Washington; Twin bed, full (DS) side bath,
> Brazilian Redwood counter and settee tops,455, 6KW generator; new owner a/o
> mid
> November 2015.
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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