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I would not be to worried about that. For a spark you would need a
relatively high voltage. That would be more likely without the
capacitor. A capacitor is often used to prevent sparking (e.g in the
distributor or petrol pump). If there is a spark it will be inside the
sender unit which will eliminate problems and the mixture inside the
tank will probably be to saturated to ignite anyway.
Kees Oudesluijs
Op 15-11-2018 om 12:54 schreef John Harper:
> Simon
>
> Don't do it. Petrol will ignite if sufficient energy is applied. A
> capacitor could provide such energy.
>
> Best regards
>
> On Thu, 15 Nov 2018 at 10:15, <simon.lachlan@alexarevel.plus.com
>
> Hi,
>
> Questions for the tech type super-gurus.
>
> See the attached article, something I picked up on the internet
> &/or from this list.
>
> Iâ??ve finally got round to doing it and have bought a pair of
> super-capacitors (SC), below:
>
>
> https://www.ebay.co.uk/itm/2-Pcs-4-0F-5-5-V-Super-Capacitor-H-Type-Button-Smart-Capacitance-Universal/272412952404?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649
>
> The article infers to me, at least, that the + terminal of the SC
> is wired directly to the same terminal connection on the gauge as
> the wire from the tank sender unit. The â?? terminal is earthed. How
> does that system work? Wonâ??t the tankâ??s fluctuating signal, for
> want of a better word, simply bypass the SC and carry on
> flickering the needle??
>
> And, assuming I ever get the wiring sorted out, will the SC get
> hot? Mine has a metal case and Iâ??ve had to thoroughly insulate it.
> I have visions of the fuel gauge working nicely until the
> insulation catches fire���
>
> Simon
>
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> --
> Best wishes
>
> John Harper
>
> AHC UK 100 Register Secretary
>
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<p>I would not be to worried about that. For a spark you would need
a relatively high voltage. That would be more likely without the
capacitor. A capacitor is often used to prevent sparking (e.g in
the distributor or petrol pump). If there is a spark it will be
inside the sender unit which will eliminate problems and the
mixture inside the tank will probably be to saturated to ignite
anyway.</p>
<p>Kees Oudesluijs</p>
<p><br>
</p>
<p><br>
</p>
<div class="moz-cite-prefix">Op 15-11-2018 om 12:54 schreef John
Harper:<br>
</div>
<blockquote type="cite"
cite="mid:CAL1OyxeWJvqO3bg6d3z7ZaUY=EhxhEoiEDFo2+Z=BpQ65L+aQA@mail.gmail.com">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<div dir="ltr">Simon
<div><br>
</div>
<div>Don't do it. Petrol will ignite if sufficient energy is
applied. A capacitor could provide such energy.</div>
<div><br>
</div>
<div>Best regards</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr">On Thu, 15 Nov 2018 at 10:15, <<a
href="mailto:simon.lachlan@alexarevel.plus.com";
target="_blank"
moz-do-not-send="true">simon.lachlan@alexarevel.plus.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div link="#0563C1" vlink="#954F72" lang="EN-GB">
<div
class="m_5974165801216798161m_-7687067541544708151WordSection1">
<p class="MsoNormal">Hi, </p>
<p class="MsoNormal">Questions for the tech type
super-gurus.</p>
<p class="MsoNormal">See the attached article, something I
picked up on the internet &/or from this list.</p>
<p class="MsoNormal">Iâ??ve finally got round to doing it
and have bought a pair of super-capacitors (SC), below:</p>
<p class="MsoNormal"><a
href="https://www.ebay.co.uk/itm/2-Pcs-4-0F-5-5-V-Super-Capacitor-H-Type-Button-Smart-Capacitance-Universal/272412952404?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649";
target="_blank"
moz-do-not-send="true">https://www.ebay.co.uk/itm/2-Pcs-4-0F-5-5-V-Super-Capacitor-H-Type-Button-Smart-Capacitance-Universal/272412952404?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649</a></p>
<p class="MsoNormal">Â </p>
<p class="MsoNormal">The article infers to me, at least,
that the + terminal of the SC is wired directly to the
same terminal connection on the gauge as the wire from
the tank sender unit. The â?? terminal is earthed. How
does that system work? Wonâ??t the tankâ??s fluctuating
signal, for want of a better word, simply bypass the SC
and carry on flickering the needle??</p>
<p class="MsoNormal">Â </p>
<p class="MsoNormal">And, assuming I ever get the wiring
sorted out, will the SC get hot? Mine has a metal case
and Iâ??ve had to thoroughly insulate it. I have visions
of the fuel gauge working nicely until the insulation
catches fire���</p>
<p class="MsoNormal">Simon</p>
</div>
</div>
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-- <br>
<div dir="ltr" class="m_5974165801216798161gmail_signature"
data-smartmail="gmail_signature">
<div dir="ltr">Best wishes
<div><br>
</div>
<div>John Harper</div>
<div><br>
</div>
<div>AHC UK 100 Register Secretary</div>
</div>
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<br>
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