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Thread: Smiths Fuel Gauge To Tank Sender

  1. #21 Re: Smiths Fuel Gauge To Tank Sender 
    club member Club Member stevejgreen's Avatar
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    Quote Originally Posted by kronos1664 View Post
    has anyone connected a smiths or other non ford sender to a ford fuel gauge sucessfully?
    The answer is yes, there are various solutions. Mine was to carry a gallon can of petrol onboard.

    Various options exist but I am confused.
    Most Roadsters were fitted with an Escort Van fuel tank, with an Escort sender, and then matching up to Marina or Smiths gauges was the problem!
    Last edited by stevejgreen; 22-11-2020 at 02:01 PM.
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  2. #22 Re: Smiths Fuel Gauge To Tank Sender 
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    Quote Originally Posted by kronos1664 View Post
    has anyone connected a smiths or other non ford sender to a ford fuel gauge sucessfully?
    https://www.spiyda.com/fuel-gauge-wizard-mk3.html
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  3. #23 Re: Smiths Fuel Gauge To Tank Sender 
    club member Club Member listerjp2's Avatar
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    Got this on and works well with the Marina instrument.

    Have also got there little device for the tachometer, again works well.

    Adrian

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  4. #24 Re: Smiths Fuel Gauge To Tank Sender 
    club member Club Member nightsurfer's Avatar
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    I am lucky enough to have an accurate fuel guage in my Marina based Roadster.
    There is a seperate sender unit to the fuel feed unit.
    I do however, suffer from the fuel guage bouncing around wildly when it is anything but full.
    Can anyone recomend a suitable damper / resistor?
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  5. #25 Re: Smiths Fuel Gauge To Tank Sender 
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    Maybe the gauge is very sensitive and the fuel sloshing around makes the float bob around. no solution I'm afraid. I solved the Escort to Marina problem by cutting the Escort sender out and fitting a Marina sender in the Escort tank. Time consuming and fiddly but a full scale fuel gauge. It is somewhere in the forum.
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  6. #26 Re: Smiths Fuel Gauge To Tank Sender 
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    I believe the damping function is normally incorporated unto the gauge itself. Bearing in mind that the normal sender is just a variable resistor, any resistance added will change the calibration but won't necessarily provide any damping. I'm not an electronics engineer but a capacitor in the circuit might do it. If I'm talking absolute nonsense I'm sure someone will point it out.
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  7. #27 Re: Smiths Fuel Gauge To Tank Sender 
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    Quote Originally Posted by ggrum View Post
    I believe the damping function is normally incorporated unto the gauge itself. Bearing in mind that the normal sender is just a variable resistor, any resistance added will change the calibration but won't necessarily provide any damping. I'm not an electronics engineer but a capacitor in the circuit might do it. If I'm talking absolute nonsense I'm sure someone will point it out.
    Most automotive gauges are sluggish deliberately, certainly those with bimetallic strips. They are damped and not intended to give an instantaneous measurement like an electricians

    A capacitor essentially blocks blocks DC but let’s AC through. So a capacitor alone in a DC circuit like a fuel gauge will have no effect.
    MOC member since 05/97
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    Three core radiator, Renault Clio vented front discs.
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  8. #28 Re: Smiths Fuel Gauge To Tank Sender 
    club member Club Member listerjp2's Avatar
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    The spiyda system allows for damping and again works well.

    Adrian


    [.QUOTE=ggrum;54760]I believe the damping function is normally incorporated unto the gauge itself. Bearing in mind that the normal sender is just a variable resistor, any resistance added will change the calibration but won't necessarily provide any damping. I'm not an electronics engineer but a capacitor in the circuit might do it. If I'm talking absolute nonsense I'm sure someone will point it out.[/QUOTE]
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  9. #29 Re: Smiths Fuel Gauge To Tank Sender 
    club member Club Member nightsurfer's Avatar
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    Quote Originally Posted by listerjp2 View Post
    The spiyda system allows for damping and again works well.

    Adrian


    [.QUOTE=ggrum;54760]I believe the damping function is normally incorporated unto the gauge itself. Bearing in mind that the normal sender is just a variable resistor, any resistance added will change the calibration but won't necessarily provide any damping. I'm not an electronics engineer but a capacitor in the circuit might do it. If I'm talking absolute nonsense I'm sure someone will point it out.
    [/QUOTE]

    Yes, I saw that. Perhaps I will have to go that way, or just live with it.
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  10. #30 Re: Smiths Fuel Gauge To Tank Sender 
    club member Club Member listerjp2's Avatar
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    I wanted to keep the Marina dials so was the easiest way forward.

    Adrian
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